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Renewables’ Growing Share | Earth Wise

March 15, 2023 By EarthWise Leave a Comment

Not long ago, many states across the country were setting goals to obtain 20% of their electricity from renewable sources. For a few states, like New York and Washington, ample amounts of hydropower made 20% an easy target.  But for many others, 20% seemed like a very ambitious objective.

Things have certainly changed.  According to the latest monthly Short Term Energy Outlook, a report from the federal government, the combination of wind, solar, and other renewable sources will exceed one-quarter of the country’s generation by 2024.

Renewables are already at 24% of U.S. electricity generation and are expected to rise to 26% by next year.  Coal, which used to be the largest source of electricity, will continue to drop from its current 18% to 17% by next year.  Overall, renewables passed coal for the first full year in 2020.  Coal staged a bit of a comeback in 2021, but has once again resumed its decline.  Many coal-fired power plants continue to close, and there are not new ones being built because of diminishing economic benefits as well as concerns about emissions.

The largest source of electricity generation continues to be natural gas at 38%, but that number is also expected to slowly decrease over time. The growth in renewable energy is coming from wind and solar power.  Two-thirds of that growth is from solar and one-third is from wind. 

Together, wind and solar power will add up to 18% of the country’s electricity supply.  The government still tracks them lumped together as renewables, but both are so large and growing so quickly that the Energy Information Agency is likely to soon start tracking them as separate categories.

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Renewables Projected to Soon Be One-Fourth of US Electricity Generation. Really Soon

Photo, posted April 18, 2011, courtesy of Allan Der via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

New York Bans Some Crypto Mining | Earth Wise

December 13, 2022 By EarthWise Leave a Comment

New York bans some cryptocurrency mining

Crypto mining, the arcane process by which cryptocurrencies are generated, is incredibly energy-intensive.  As of this past summer, global electricity usage for the activity is as much as 240 billion kilowatt-hours per year, which is more than many entire countries use (for example Australia and Argentina.)  Crypto mining consumes as much electricity as all the conventional computer data centers in the world.

All that energy usage is problematic for the environment, but a growing practice has made it far worse.  Crypto miners have been re-powering decommissioned fossil fuel power plants to produce electricity strictly for mining operations.  Doing so eliminates the climate benefits achieved by shutting down those plants.

The New York State Legislature passed a bill in June that would place a two-year moratorium on permits to re-power fossil fuel plants.  It does not prevent crypto mining from existing generation sources.  The bill had sat on the governor’s desk until after the recent election.   But in late November, Governor Hochul signed the bill despite considerable lobbying against it.

The temporary ban was heavily opposed by cryptocurrency industry groups, to no surprise.  While some states actually offer tax incentives to lure crypto mining operations, supporters of the legislation hope that New York’s action may cause others to follow its lead and stop the reactivation of old fossil fuel plants.

The two-year moratorium will allow time to properly evaluate the impact of the crypto mining industry on the state’s climate goals.  It is pretty obvious that reactivating old, retired fossil fuel power plants as an energy source is a move in the wrong direction.

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New York Enacts 2-Year Ban on Some Crypto-Mining Operations

Photo, posted February 27, 2021, courtesy of Ivan Radic via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Banning Gas-Powered Cars | Earth Wise

September 30, 2022 By EarthWise Leave a Comment

Banning gasoline powered vehicles

In June, the European Union voted to ban the sale of new gas- and diesel-powered vehicles starting in 2035.   The EU joined Canada, the United Kingdom, Japan, South Korea, and several other countries in imposing future gas car bans.

Here in the U.S., on August 25th, California adopted rules banning the sales of new gas-powered cars and light trucks by 2035.  New York passed a similar law last year and its ban will also cover heavy trucks by 2045.

California’s action is particularly significant because there are other states that have trigger laws that impose their own bans based on what California does.  Washington state, Massachusetts, and Virginia are in this category, although the governor of Virginia has said he plans to try to repeal the law.

An additional 12 states have policies tied to California’s and are likely to adopt their own versions of the 2035 ban.  These are Colorado, Connecticut, Delaware, Maine, Maryland, New Jersey, New Mexico, Nevada, Oregon, Pennsylvania, Rhode Island, and Vermont.

When these regulatory actions are coupled with the major investments in electric vehicles being made by virtually all automakers, the transition to electric vehicles appears to be inevitable.

As far as people who love their gas-powered cars are concerned, the new rules only apply to new car sales.  So, consumers can still buy and own used cars that run on gasoline.  If there are states that never impose bans on new gas-powered vehicles, then consumers can go to those states and buy one, assuming there are any being made at that point.   It seems likely that gas-powered cars will end up being made for hobbyists and aficionados only. 

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California Just Banned Gas-Powered Cars. Here’s Everything You Need to Know

Photo, posted May 20, 2018, courtesy of James Loesch via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

A Hot July | Earth Wise

August 24, 2022 By EarthWise Leave a Comment

July was a hot month around the world

At the beginning of July, the National Oceanic and Atmospheric Administration’s monthly climate outlook predicted temperatures well above average across much of the United States.  The prediction was quite correct.  Beyond that, world-wide, there were multiple heat waves, especially in Europe and Asia, where there were thousands of heat-related deaths.  On July 19th, the United Kingdom had its hottest day ever reported with a temperature over 104 degrees.

In the U.S., a series of atmospheric high-pressure systems resulted in stagnant heat domes, which resulted in more than 150 million people living under heat warnings and advisories.  Nearly every part of the continental U.S. saw above-average temperatures.  There were record-breaking triple-digit highs in several states, sometimes persisting for days.

The south-central part of the country developed a ridge of high pressure that established a heat dome that acted like a lid, trapping hot air over that area.  The extreme heat persisted throughout the month, at times expanding to the Southwest, Upper Midwest, and Southeast.

In the second half of the month, the Great Plains experienced temperatures as high as 115 degrees.  Utah and Oklahoma both broke long-standing records for the most consecutive days on which temperatures exceeded 100 degrees.  Utah saw 16 straight days over 100.

In the Pacific Northwest temperatures reached 110 degrees in Dallasport, Washington, and 114 in Medford, Oregon.  In the Northeast, Newark, New Jersey saw a record-breaking five straight days over 100 degrees.

In Albany, New York, where the average daily high temperature is 82 degrees in July, there were 10 days in the 90s, with highs of 97 on three occasions.

July was a hot month indeed.

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A July of Extremes

Photo, posted July 10, 2022, courtesy of Dominic Alves via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Making Cotton More Sustainable | Earth Wise

August 16, 2022 By EarthWise Leave a Comment

Producing cotton more sustainably

In the United States, cotton is a $7 billion annual crop grown in 17 states.  Cotton plants in the largest producing countries in the world – India, China, and the U.S. – are genetically very similar and, like other crops that lack diversity, can be at risk.

Cultivated cotton around the world has been bred to look and act very similar.  It is high yielding and easy to harvest using machines.  But it is also wildly unprepared to fight disease, drought, or insect-borne pathogens.

Researchers are looking beyond breeding for ways to combat the low genetic diversity of cultivated cotton.  There are new approaches that combine breeding with elements of genetic modification.  Most cotton in the U.S. has already been genetically modified to resist caterpillar pests.  But as new problems emerge, new solutions will be needed that may require complicated changes to the cotton genome.  Getting regulatory approval for a genetically modified crop is a long and expensive process.

However, ordinary genetic modification is not the only possibility.  Modern genetic sequencing technology can allow researchers to examine various wild cotton varieties and identify the genetic markers for desirable traits.  Once valuable genes in wild species have been identified, traditional plant breeding techniques could be used to produce cultivated cotton varieties that are more resistant to disease and drought.

Climate change is raising average global temperatures and some important cotton-producing regions such as the U.S. Southwest are becoming drier.  Researchers are hoping to produce cultivated cotton that can tolerate drought at the seedling stage.  The ultimate goal is to create more sustainable and genetically diverse cotton that can thrive in a changing world.

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Cotton Breeders Are Using Genetic Insights To Make This Global Crop More Sustainable

Photo, posted November 9, 2008, courtesy of BP Takoma via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Cleaning Up Abandoned Wells | Earth Wise      

March 3, 2022 By EarthWise Leave a Comment

Addressing the abandoned oil and gas wells

There are 130,000 documented abandoned oil and gas wells in the US, according to the Department of the Interior.  The key word is documented.  According to an EPA study in 2018, the actual number of abandoned wells could be as high as two or three million.  According to an analysis by the Environmental Defense Fund and McGill University, about nine million people in the United States live within a mile of one of these wells.

Some of these wells might be fairly harmless, and others might be quite dangerous.  Wells can emit a variety of gasses, including methane, which is a far stronger greenhouse gas than carbon dioxide.  Leaking wells are a major source of air and groundwater pollution.  Apart from methane, substances such as arsenic can continue to leak from wells even after they are no longer operational.

At the end of January, the Biden Administration announced a series of new actions to tackle methane pollution.  Among these measures is $1.15 billion in funds from the Department of the Interior that states can use to seal up abandoned oil and gas wells.  That funding comes from the Bipartisan Infrastructure Law passed in November, which sets aside $4.7 billion for a federal program dedicated to orphaned wells.

Addressing the largely ignored problem of abandoned wells is important from the standpoint of climate pollution as well as human health.  Efforts to plug the wells will also provide high-paying jobs

Other methane-reduction measures include increased enforcement from the Department of Transportation on reducing pipelines leaks, research funding for limiting methane emissions from beef and dairy farming, and technical assistance from the Department of Energy on well-plugging efforts.

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Photo, posted March 23, 2011, courtesy of David Stone via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Upgrading The U.S. Power Grid | Earth Wise

February 15, 2022 By EarthWise Leave a Comment

Upgrading the power grid in the United States

The Department of Energy has launched the Building a Better Grid Initiative to accelerate the development of new power transmission lines.  The initiative aims to upgrade the nation’s grid, connect more Americans to clean electricity, and reliably move clean electricity to where it is needed most. The initiative is a part of the Bipartisan Infrastructure bill that was signed into law in November.

Under the initiative, DOE will identify critical national transmission needs and support the buildout of long-distance, high-voltage transmission facilities as well as support transmission planning, financing mechanisms, transmission-related research and development, and efforts on energy justice.

DOE will deploy more than $20 billion in federal financing that includes more than $10 billion in grants to states, Tribes, and utilities to enhance grid resilience and prevent power outages.  It will also coordinate with other agencies to streamline permitting for transmission infrastructure. 

Seventy percent of the US grid’s transmission lines and power transformers are over 25 years old.  There is also insufficient transmission capacity, especially for transmission that facilitates transfer of power across regions.  The current grid is vulnerable to harsh weather and needs improved reliability.

Providing more transmission capacity in areas where it doesn’t exist today is essential for the integration of more large-scale renewable generation sources into the grid.  The national goal of 100% clean electricity by 2035 is not just about decarbonizing the generation sources.  A substantial upgrade to the transmission infrastructure is necessary and the Building a Better Grid Initiative is a major step in the right direction.

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The big upgrade to the US power grid is kicking off

Photo, posted February 2, 2020, courtesy of Tony Webster via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Five States Stepping Up On Clean Energy | Earth Wise

February 7, 2022 By EarthWise Leave a Comment

Five states step up climate action

While Congress continues to face partisan gridlock on climate issues, many states have moved forward with climate action.

In 2021, five states – Illinois, Massachusetts, Oregon, North Carolina, and Rhode Island – passed laws requiring a shift to 100% carbon-free electricity or net-zero emissions.  Washington State passed a law that helps to implement its strong 2019 and 2020 climate and clean energy laws.  Washington’s new legislation establishes a carbon trading program that will help the state to meet its goals of economy-wide emission cuts and 100% carbon-free electricity.

Several other states made progress on climate and clean energy by taking targeted actions not quite as aggressive as 100% laws, but significant, nonetheless.

The five states that entered the so-called 100% club joined with the six states that had earlier passed such legislation.  Those are California, Hawaii, New Mexico, New York, Virginia, and Washington.  Both Puerto Rico and Washington D.C. are also members of the club.

The past year may well be the biggest year yet for significant clean energy legislation.  Some of the states that finally passed laws had been gearing up for it for years.  This is particularly true of Massachusetts and Illinois.

Actions by individual states are not an antidote to inaction by the federal government, but they help.  At this point, about one-third of the country’s population lives in states that have laws requiring a transition to 100% carbon-free electricity, 100% renewable electricity, or net-zero emissions. 

All of this activity began in 2015, when Hawaii passed its renewable energy law.

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Inside Clean Energy: Here Are 5 States that Took Leaps on Clean Energy Policy in 2021

Photo, posted August 12, 2021, courtesy of Glacier NPS via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Avoiding Blackouts With Renewable Energy | Earth Wise

February 4, 2022 By EarthWise Leave a Comment

How to avoid blackouts while using renewables

There are some people who worry that an electric grid heavily dependent upon intermittent sources like solar and wind power may be more susceptible to blackouts.  According to a new study by Stanford University, these fears are misplaced.

The study, published in the journal Renewable Energy, found that an energy system running on wind, water, and solar, when combined with energy storage, avoids blackouts, and lowers energy requirements and consumer costs.  In addition, implementing such a system would create millions of jobs, improve people’s health, and reduce land requirements.

The study focused on the stability in all U.S. grid regions as well as individual states based on the requirement that all electricity is provided by clean and renewable sources. No fossil fuel use, bioenergy, blue hydrogen, or even nuclear power were included in the modeling.  Critics of such a shift in the energy system point to grid blackouts during extreme weather events in California in 2020 and Texas in 2021 as evidence that renewable sources can’t be trusted.  But in both cases, renewable energy was not found to be any more vulnerable than other sources.

The study looked at the costs of the transition – which would be substantial – but found that it would pay for itself fairly quickly based on energy cost savings alone.

A significant finding of the study was that long-duration batteries were neither necessary nor helpful for grid stability.  That stability could be obtained by linking together currently available short-duration batteries.  Interconnecting larger and larger geographic regions would make the power system smoother and more reliable.  Overall, intelligent management of the electric grid can result in a reliable and clean power system.

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Stanford researchers point the way to avoiding blackouts with clean, renewable energy

Photo, posted October 17, 2016, courtesy of B Sarangi via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Banning Gas Cars | Earth Wise

November 12, 2021 By EarthWise Leave a Comment

Many states and countries have passed gas car bans

The transition to electric vehicles from gas-powered vehicles is essential for reducing greenhouse gas emissions as well as air pollution in general.  Currently, transportation is responsible for 30% of greenhouse gas emissions in the United States.

There is no doubt that there is surging interest in electric cars.  There are now millions of them being sold around the world each year.  But they still represent a small fraction of new car sales in most places.  Notable exceptions are several European countries such as Norway and Switzerland where plug-in vehicles are dominant.  In the United States, on the other hand, EVs still represent less than 3% of new car sales.

Given the urgency in reducing vehicle emissions, many countries around the world have devised plans, goals, or laws to end the sale of gasoline cars.  Gas car bans vary quite a bit around the world, but they are being implemented in many places.

There are 28 countries and US states that have imposed gas car bans to take effect over the next five to 20 years.  These include European countries like Norway, Belgium, Austria, Netherlands, Denmark, Iceland, Ireland, Sweden, Scotland, Slovenia, the UK, France, and Spain.  Asian countries include South Korea, India, Japan, China, Singapore, Sri Lanka, and Taiwan.  In the Middle East, Israel and Egypt have announced bans.  Here in the US, New York and California both have bans starting in 2035.  Canada also has announced a ban.

Car manufacturers have seen the writing on the wall.  Most have started adding EVs to their lineups.  Many have announced their own timetables for phasing out gas cars entirely.  There are more than 15 new electric models available this year and there are many more to follow next year.

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Over 25 Countries And U.S. States Are Planning to Ban Gasoline Powered Cars

Photo, posted January 24, 2009, courtesy of Oran Viriyincy via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Wireless EV Charging | Earth Wise

November 10, 2021 By EarthWise Leave a Comment

Michigan is developing wireless EV charging

Michigan, historically the focus of the American auto industry, has announced a new initiative to develop the nation’s first wireless charging infrastructure on a public road.  The Inductive Vehicle Charging Pilot is a partnership between the Michigan Department of Transportation and the Office of Future Mobility and Electrification.

The idea is to deploy an electrified roadway system that allows electric buses, shuttles, and vehicles to charge while driving, allowing them to operate continuously without stopping to charge.  In principle, such electrified roadways have the potential to accelerate the adoption of electric vehicles and turn public streets into safe and sustainable shared energy platforms.  This is especially valuable for drivers who might not have easy access to conventional charging facilities.

The pilot program is seeking proposals to design, fund, evaluate, iterate, test, and implement an inductive charging system along a one-mile stretch of state-operated roadway in Michigan.

The basic concept is to embed coils in a road that will convey electricity to cars outfitted with coils of their own.  It is much like the wireless charging pads used to power up smartphones.  Indiana is pursuing a similar project in the next couple of years.

Clearly driving through a one mile stretch of roadway for minute or two is not going to provide a whole lot of energy by whatever coupling mechanism is used. Scaling up the technology represents a significant challenge at the very least.  How practical such a scheme is from both a technology and an economic perspective remains to be seen.  In any case, it is interesting to see that states are looking at various alternatives for providing access to charging infrastructure to the growing population of electrified vehicles.

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Governor Whitmer Announces Initiative for Nation-Leading Wireless EV Charging Infrastructure in Michigan

Photo, posted September 6, 2020, courtesy of Chris Yarzab via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

The Hottest June | Earth Wise

July 29, 2021 By EarthWise Leave a Comment

Climate change continues to fuel the heat records

A series of heatwaves from coast to coast caused June 2021 to be the hottest June on record in the U.S. The average June temperature across the contiguous U.S. was 72.6 degrees Fahrenheit, making it the hottest June in 127 years of record keeping and breaking the previous record set in 2016 by nearly a full degree. Eight states had their hottest June on record and six others marked their second hottest June.

One of the most extreme heatwaves in modern history impacted the Pacific Northwest of the U.S. and western Canada late in the month.  Temperature records were not merely broken in the region; they were smashed over an incredibly hot four-day period from June 26th through June 29th when all-time records over 100 degrees were set at dozens of locations.

Portland, Oregon’s average high temperature over this period was 112 degrees, breaking the previous 3-day record by an amazing 6 degrees.  The high on June 28th was 116 degrees, an all-time record for the city.  Seattle set back-to-back all-time heat records of 104 on June 27th and then 108 on June 28th.  In the previous 126 years, Seattle had only hit 100 degrees three times.  It reached that mark 3 days in a row in June.

Crossing the border, the town of Lytton, British Columbia reached a temperature of 121 degrees on June 29th, the third day in a row in which the town registered a new all-time high temperature ever measured in Canada.  To put this in perspective, this temperature is hotter than has ever been recorded in Las Vegas.

June was a hot month indeed.

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June 2021 was the hottest June on record for U.S.

Astounding heat obliterates all-time records across the Pacific Northwest and Western Canada in June 2021

Photo, posted July 7, 2021, courtesy of Poyson / GPA Photo Archive via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

New Records For U.S. Wind Power | Earth Wise

March 22, 2021 By EarthWise Leave a Comment

Record setting United States wind power production

Wind-powered electricity has been increasing its contribution to the American energy mix for years as the number of installed turbines has rapidly grown.  In the final months of 2020, wind power set a number of new records.  Strong wind conditions in November and December, especially in the central states, led to record output from wind turbines.

On April 10, 2019, the U.S. set a record for daily electricity generation from wind turbines in the lower 48 states by producing 1.42 million megawatthours.  That record stood until several different days during November and December.  The newest record was set on December 23 when wind generation reached 1.76 million MWh.  That constituted 17% of total electricity generation in the U.S.   For the entire year of 2020, wind power accounted for 9% of U.S. electricity generation.

Late 2020 also saw new records set for hourly dispatch of wind resources.  On December 22, between 9 and 10 pm Eastern Time, 82 gigawatts of electricity sourced from wind power was dispatched across the U.S., breaking the one-month-old previous record of 73.4 GW.  Wind power varies considerably over the course of a day.  During December, wind power across the country varied between that record of 82 GW to a low of 14.6 GW.

The contributions from wind power are expected to continue to grow.  The U.S. currently has over 112 GW of installed wind capacity.  Project developers and grid operators plan to add another 12.2 GW of new wind capacity to the U.S. grid by the end of 2021.  More than half of that new capacity will be in Texas and Oklahoma.

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U.S. wind generation sets new daily and hourly records at end of 2020

Photo, posted July 12, 2010, courtesy of Tom Shockey via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Once In A Lifetime Floods And Climate Change | Earth Wise

January 8, 2021 By EarthWise Leave a Comment

Climate change is worsening flooding

Superstorm Sandy was the deadliest hurricane of 2012 and one of the most destructive hurricanes ever to hit the United States.  According to the National Oceanic and Atmospheric Administration, Superstorm Sandy caused an estimated $74.1 billion dollars in damages.  That figure made it the fourth-costliest storm in U.S. history, trailing only Hurricane Katrina in 2005 and hurricanes Harvey and Maria in 2017.  Superstorm Sandy affected 24 states and all of the eastern seaboard.  

New York was one of the states pummeled by Superstorm Sandy.  The storm brought flood-levels to the region that had not been seen in generations.  But according to a new study published in the journal Climatic Change, those flood levels could become much more common. 

Researchers at Stevens Institute of Technology have found that 100-year and 500-year flood levels could become regular occurrences by the end of the century for the thousands of homes surrounding Jamaica Bay, NY.  The researchers say climate change is the culprit.  

Using anticipated greenhouse gas concentration levels, the research team created simulations to find the probability of different flood levels being reached by the end of the century.  The researchers found that the historical 100-year flood level would become a one-year flood level by the year 2100.  500-year floods, like Superstorm Sandy, would become a four-year flood level by the end of the century. 

While this particular study is specific to Jamaica Bay, it does serve as an example of just how severe and costly the consequences of climate change will be.   

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Once in a lifetime floods to become regular occurrences by end of century

Photo, posted October 29, 2012, courtesy of Rachel via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

 

Electronic Waste On The Decline | Earth Wise

January 6, 2021 By EarthWise Leave a Comment

Electronic waste is declining

A new study published in the Journal of Industrial Ecology has found that the total mass of electronic waste generated by Americans has been declining since 2015.  Given that electronic devices are playing an ever-growing role in our lives, this finding seems rather surprising.  It also seems like pretty good news, but the underlying facts should dampen our level of enthusiasm.

The main reason for the decline is the disappearance of large, bulky cathode-ray tube televisions and computer monitors.  Since about 10 years ago, CRT displays have been on the decline in the waste stream, thereby leading to an overall decline in total e-waste mass.

Many state regulations with respect to e-waste recycling have targets based on product mass.  The regulations were typically designed to keep electronics with high levels of lead and mercury out of landfills.

At present, the more pertinent concern is how to recover valuable elements like cobalt (from lithium-ion batteries) and indium (from flat-panel displays).  These elements are not so environmentally toxic, but rather are relatively scarce in the earth’s crust. 

The main conclusion to be drawn from the declining mass of electronic waste is not that we are necessarily winning the battle against generating it but rather that e-waste is changing and regulations concerning it need to be rethought.  Focusing regulations on capturing critical elements not only would have significant economic benefits but also would be important in addressing geopolitical uncertainties that potentially could threaten what could be termed the mineral security of the U.S.

E-waste recycling is regulated at the state level and only half the states have e-waste recycling laws.  It may be time for more uniform policies across the country.

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Electronic Waste on the Decline, New Study Finds

Photo, posted January 22, 2013, courtesy of Thorsten Hartmann via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Massachusetts And Energy Policy | Earth Wise

August 4, 2020 By EarthWise Leave a Comment

Massachusetts and clean energy

The transition to a renewables-based energy future continues to accelerate, but there are still many forces that can slow it down.  Government policy has a major role to play.  At the moment, the federal government is trying to prop up the fossil fuel industry with financial incentives and rampant deregulation.  So more than ever, innovative policies at the state level are essential drivers for revolutionizing the energy system.

One state where policy is trying to make a big difference is Massachusetts, which has created the Clean Peak Energy Standard or CPS, finalized and approved in late March and now taking effect.   A clean peak standard is a regulatory tool to reduce the costs and environmental impact of periods when electricity demand is highest, and generation tends to be the most polluting.  The CPS requires electric retailers to procure a minimum percentage of their annual electricity sales from renewable generation or energy storage.  That minimum amount will increase each year.

The CPS is formulated to incentivize better utilization of clean energy technologies to supply power when energy demand is high.  The problem is that there are times when the sun is not shining and the wind isn’t blowing, but energy demand is at its highest.  The solution is to use energy storage technologies that can supply power when it is needed.  Furthermore, storage can be relied upon during times of extreme weather that cause power outages.

Massachusetts has already started using energy storage in its grid.  The small town of Sterling installed an energy storage system in 2016 that provides crucial backup power to the police station and emergency dispatch center, thereby keeping first responder operations running even during extended power outages.

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Massachusetts is setting the benchmark for nationwide clean energy transformation

Photo, posted March 30, 2012, courtesy of Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Renewables Could Take Over By 2035 | Earth Wise

July 15, 2020 By EarthWise Leave a Comment

Renewable energy taking over

A study by UC Berkeley looked at the prospects for renewable energy sources to become the primary source of energy in the United States over the next 15 years.  Even though fossil fuels continue to fill that role at present, the plummeting costs of alternative energy sources – primarily solar and wind power – are making them increasingly attractive on the competitive market.

These cost reductions have occurred much faster than what was anticipated even just a few years ago.  According to the study, it is technically and economically feasible for renewable sources to provide 90% of our electricity by 2035.

The Berkeley researchers took the available data on renewable energy and created two scenarios for the next 15 years.  The first has energy policy remaining as it is now, without ambitious policy changes that encourage the growth of renewable energy.  In that scenario, they estimated that 55% of the US energy infrastructure would come from renewables.  That amount will not produce the change needed to meet Paris Climate Agreement goals but would simply come about because of the dramatically lower costs for renewable energy.

The second scenario includes state and federal governments leading the way to finance and facilitate the energy reform needed for a greener 2035.  It also relies on the large-scale use of grid-scale batteries to store the energy collected from solar and wind installations for when it is needed.

Which scenario is more realistic will depend on several major influential factors, notably the trajectory and consequences of the COVID-19 pandemic as well as the results of the November elections.   These things will have a huge impact on the future of our energy system.

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Report: By 2035, 90 Percent of the US Could Be Powered by Renewables

Photo, posted May 25, 2019, courtesy of Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

A Giant U.S. Offshore Wind Project Begins | Earth Wise

June 22, 2020 By EarthWise Leave a Comment

United States offshore wind project

In recent years, the Bureau of Offshore Energy Management – the agency that oversees energy projects in federal waters – has been granting leases for offshore wind projects in the waters of multiple states on the East Coast.  Up until now, none of these leases have actually resulted in the deployment of any wind turbines because the process of gaining approvals, project plans, surveys, funding and other requirements is a long and tortuous one.

In late May, the first offshore wind turbine in U.S. federal waters was installed 27 miles offshore from Virginia.  The 6-MW Siemens turbine is one of two turbines making up the Coastal Virginia Offshore Wind pilot project.  The pilot project is expected to be operational later this year.  This project is the first to receive go-ahead approval by the BOEM.

The CVOW project is a development by Dominion Energy, a Virginia-based utility that operates in 20 states.  Dominion’s project will eventually be a 2.64 GW mega-farm that could be the largest offshore wind farm in the world.  Construction of the main project is expected to begin in 2024.  It will be sited in the seabed of a 112,800-acre lease area.  The site is currently being surveyed to determine potential impacts to ocean and sea life.

Dominion Energy has made multiple commitments to emissions reduction and the massive offshore wind farm is an important part of its efforts to meet those commitments.  The CVOW pilot project is only the second offshore wind installation in the U.S.  The first, the Block Island Wind Farm in Rhode Island, is in state waters and did not require BOEM approval.

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A ‘monumental day’ for US offshore wind as first turbine is installed in federal waters

Photo, posted May 13, 2011, courtesy of the Department of Energy and Climate Change via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Benefits Of A Zero-Emissions Boston | Earth Wise

May 25, 2020 By EarthWise Leave a Comment

climate goals

Many countries, states, and cities around the world have set goals to become carbon neutral, typically by the year 2050.  These goals are based on the desire to mitigate the effects of climate change that are steadily increasing as a result of the buildup of carbon dioxide in the atmosphere.  But reducing emissions is not just a way to combat climate change, it can also be a major contributor to improved public health.

The City of Boston has set a goal to become carbon neutral by 2050.  A new study by the School of Public Health at Boston University published in the journal Environmental Research Letters looked at the consequences of eliminating fossil fuel emissions in the greater Boston area.

According to their modeling, eliminating emissions would save 288 lives a year by reducing fatal and non-fatal cardiovascular and respiratory illnesses.   The resulting decrease in medical costs and lost and reduced work could save $1.7 billion a year in Suffolk County and $2.4 billion a year for the entire 75-square-mile zone modeled in the study.

The study looked at the amounts of two air pollutants known to harm human health:  PM2.5 (particulates with a diameter of less than 2.5 microns) and ozone.  They compared the current levels of these pollutants to what would be present when contributions from motor vehicles, generators, rail, industry, oil- and gas-burning, shipping and boating, and residential wood fires were eliminated.

The study focused on the City of Boston’s climate action plan, but actions taken by Boston will not take place in a vacuum.  Many cities across the region are taking similar actions.  The overall results will come from the collective actions across New England.

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A Zero-Emissions Boston Could Save 288 Lives and $2.4 Billion Annually

Photo, posted August 31, 2019, courtesy of Eric Kilby via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Conservation In Vermont | Earth Wise

May 6, 2020 By EarthWise Leave a Comment

In recent times, Vermont and neighboring states have been losing forest land to development at a rate of almost 1,500 acres per year.  With forest fragmentation gaining ground across New England, conserving land for future generations of people, wildlife, and plants has become both increasingly important and increasingly difficult.

According to a new study published by researchers at the University of Vermont, the state has already protected a third of the highest priority targeted lands needed to protect and connect valuable wildlife habitats and corridors.  The protected lands amount to 1.3 million acres.

Most of the currently conserved lands are forested.  However, there are high-priority targeted surface water and riparian areas – ponds, rivers, shorelines, and wetlands – and not nearly enough of these have been protected.  (Many animals require zones along waterways in which to travel between the habitats they need to survive).

The state of Vermont and a number of partners have laid out a comprehensive and thoughtful vision that would ensure that Vermont remains a good place for all forms of life in the future.  The new study provides a crucial benchmark of current levels of forest protection to help prioritize future conservation actions. 

Three groups dominate in responsibility for the state’s protected lands:  the federal government, the state government, and private non-profit organizations.  (Each of these account for roughly a third of existing protected lands).

Going forward, Vermont’s nonprofits will play an increasingly important role in land conservation, especially in continuing to protect those areas that are rich with species diversity.  Nonprofits are engaging more and more deeply in restoring wetlands that were previously degraded, planting new forests along river shores, and protecting unique natural communities while also protecting working forests and farmland.

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Vermont Has Conserved One Third of the Land Needed for an Ecologically Functional Future

Photo, posted June 15, 2014, courtesy of Wesley Carr via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

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