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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.

Alien Species On The Rise | Earth Wise

November 3, 2020 By EarthWise Leave a Comment

the number of alien species is rising

Alien species are species that are introduced, accidentally or intentionally, outside of their natural geographic range as a result of human activities.  More than 35,000 alien species have been recorded through 2005, which is the most recent year for which researchers have comprehensive global data. 

Some of the alien species go on to become invasive alien species, which can have damaging impacts on both ecosystems and economies.  In fact, alien species are one of the main drivers of plant and animal extinctions around the globe.  

According to a new study by an international research team involving University College London, the number of alien species, particularly insects, arthropods and birds, is expected to increase globally by 36% by 2050 when compared to 2005 levels.  The research was recently published in the journal Global Change Biology.

Using a mathematical model developed for the study, the researchers identified high levels of variations between regions.  For example, the largest increase in alien species by the middle of the century is expected in Europe, where numbers are predicted to jump by 64%.  The temperate regions of Asia, North America, and South America are also predicted to be hotspots of alien species.  The lowest relative increase in alien species is expected in Australia.

The researchers do not expect a reversal or slowdown in the spread of alien species.  In fact, with global transportation and trade forecasted to increase in the coming decades, they anticipate many new species will infiltrate non-native habitats by hitching rides as stowaways.   

According to the research team, it would take a concerted global effort with stricter regulations and more rigorous enforcement to slow the flow of new species. 

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Alien species to increase by 36% worldwide by 2050

Photo, posted October 3, 2016, courtesy of the Asian Carp Regional Coordinating Committee via Flickr. Photo credit: Ryan Hagerty/USFWS.

Earth Wise is a production of WAMC Northeast Public Radio.

Last New York Coal Plant Closing | Earth Wise

April 13, 2020 By EarthWise Leave a Comment

closing coal power plants

The last coal-fired power plant in New York State is closing.  The plant, located in Barker, about an hour’s drive from Buffalo, employs 44 people.  The plant’s closure is an early test of New York’s new climate law, which is one of the most ambitious in the country.  The law is supposed to transform the state’s energy grid to carbon-free by 2040. 

Coal plants across the country are going offline, priced out by natural gas and targeted by regulations and incentives aimed at reducing greenhouse gas emissions.  Coal plant closures bring common challenges:  lost tax revenues and jobs as well as efforts to retrain workers and clean up sites.  Every plant has a specific place in a community, and each community has its own story.

The new climate law is supposed to create thousands of new jobs, including high-paying union jobs like the ones the employees in Barker are losing.  But jobs are scarce in the northwest corner of the state where Barker is located.

The state government has recently issued rules that would make it easier to get permission to build renewable energy sites, including wind turbines and solar farms, allowing applicants to bypass zoning rules and other local regulations.  But residents of rural towns have environmental and aesthetic concerns about these potential new energy plants.

In 2010, the United States had 580 coal-fired power plants providing 45% of the country’s electricity. By March 2018, there were fewer than 350 plants and coal’s market share had dropped to 30%.  At this point, there are about 224 plants producing 18% of the country’s power.  The writing is on the wall for coal power.

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New York’s Last Coal-Fired Power Plant Is Closing

Photo, posted March 13, 2018, courtesy of Joed Viera via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Hyping Electric Cars | Earth Wise

March 13, 2020 By EarthWise Leave a Comment

During this year’s Super Bowl, at least three car companies – GM, Porsche, and Audi – ran commercials for plug-in cars.  This is a sign that automakers are ramping up their efforts to persuade the public that electric cars really are the future.

The auto industry is investing billions of dollars to develop electric vehicles, spurred by stricter emissions rules in places like California and concerns about climate change.  In fact, more than 100 new plug-in models are expected to become available in the United States over the next five years.

In Europe, electric cars are increasingly popular.  Norwegians, for example, buy more electric cars than gas cars.  And several European countries have banned the sale of gas cars starting in 2025.

But in the US, enthusiasm for electric cars has been slow to build.  Automakers sold fewer than 330,00 electric vehicles in the US in 2019 and more than half of those were from Tesla, which actually does not even advertise its vehicles.

The auto industry spent nearly $9 billion in national and local advertising in the US last year, but less than half a percent of that went toward promoting electric vehicles.

A big part of the problem is that car dealers are not very enthusiastic about selling electric cars, which require far less maintenance than conventional cars and have far fewer costly replacement parts to sell.   As a result, the industry’s efforts to speed the transition to electric cars has been ambivalent at best.

World-wide, Tesla has sold about a million cars, mostly in the past 4 years, so there is clearly a growing demand for electric vehicles.  It is up to the rest of the industry to create demand for the new cars they have committed to produce.

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Super Bowl Ads Hyped Electric Cars. But Will Anyone Buy Them?

Photo, posted October 6, 2018, courtesy of Mike Fonseca via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Solar And Wind Energy And Groundwater

December 30, 2019 By EarthWise Leave a Comment

The use of both solar and wind farms has been expanding all over the country as a way of lowering carbon emissions from the electric power sector.   According to a new study led by Princeton University, these renewable energy sources have another important benefit:  they keep more water in the ground.

The study focused on drought-prone California where both solar and wind power have been expanding dramatically.  California is the largest agricultural producer in the United States and has also experienced one of the most severe droughts on record between 2012 and 2017.

The study determined that increased solar and wind energy can reduce the reliance on hydropower, especially during times of drought. 

The study looked at multiple scenarios in order to determine how much solar and wind energy should be used to maximize economic revenue and to see how solar and wind power could ensure groundwater recovery.  They created a framework to quantify the optimal pathways for maximizing hydroelectricity and agricultural income while avoiding groundwater depletion.

During the long drought, California’s agriculture industry relied heavily on tapping into groundwater stores, which is an unsustainable practice.  With more droughts likely to occur in California as well as increasing water demand from the growing California population, the burden on the state’s groundwater supply will only grow.

According to the researchers, it is far more practical to impose further regulations on groundwater use if sufficient solar and wind power is deployed.   They caution that these resources need to be deployed long before groundwater aquifers are depleted, or it will be too late for them to do any good.

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Solar and Wind Energy Preserve Groundwater for Drought, Agriculture

Photo, posted December 11, 2014, courtesy of Tony Webster via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Detecting Methane

December 23, 2019 By EarthWise Leave a Comment

Natural gas has become a huge industry in the United States, increasingly replacing coal in power plants, and otherwise contributing to energy independence.  Unfortunately, it also contributes to climate change.  Methane – the primary component of natural gas – is a powerful greenhouse gas that is estimated to be responsible for as much as a quarter of atmospheric warming.

Not all of the emissions from natural gas come from its use.  In the United States, so-called fugitive emissions from the oil and gas industry total an estimated 13 million metric tons per year.  These emissions basically consist of leakage of various types from the extraction, transportation, and processing of natural gas and cost the industry $2 billion in lost revenue each year.  Globally, that figure is estimated to be $30 billion.

Research labs and startup companies are working on developing and deploying novel technologies to address the growing issue of methane leaks across the fossil fuel supply chain.

One company called LongPath Technologies – a spinout from the University of Colorado – uses frequency comb laser technology that can pinpoint a leak to about a 50 square-foot area from half a mile away.  Other companies use different variations on laser absorption technology to be able to measure methane concentrations from a distance. 

Methane is a much more powerful greenhouse gas than carbon dioxide, but it stays in the atmosphere for much less time.  As a result, reducing methane emissions can pay off much more quickly than reducing carbon dioxide emissions.

The current EPA is trying to eliminate emissions regulations on the natural gas industry, but it is in the industry’s economic interest to curb those emissions even if they were unconcerned about the environment.

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Methane Detectives: Can a Wave of New Technology Slash Natural Gas Leaks?

Photo, posted October 22, 2016, courtesy of Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Stranded Coal Assets In Japan

November 25, 2019 By EarthWise Leave a Comment

Japan is facing a looming financial problem as a result of heavy investments in coal technology that may quickly become stranded assets as renewable energy sources become increasingly inexpensive.

Japan is gradually adding more ambitious policies with regard to climate change including goals to reduce emissions and to have renewables become the main source of power over the next three decades.  But despite these policy efforts, Japan is still investing heavily in coal power.  Japan currently has 21 new coal projects with over 11 GW of under-construction, permitted or pre-permitted coal capacity.  But these tens of billions of dollars in assets would have to be closed prematurely in order to remain consistent with the goals of the Paris Climate Agreement.

According to a new report by the Carbon Tracker Initiative, a financial think tank, and the University of Tokyo, offshore wind power will be cheaper than coal in Japan by 2022, new solar cheaper by 2023, and onshore wind less expensive by 2025.  The price of offshore wind is already comparable to existing coal power in Japan.  Japan had a total of 55.5 GW of solar capacity last year and has the potential to reach 150 GW by 2030.

The report notes that 42% of the global coal fleet likely became unprofitable last year and this could rise to 72% by 2040.  The authors contend that building coal power today equals high-cost power and financial liabilities tomorrow.  The planned and operating coal capacity in Japan is partially protected by regulations that give coal generators an unfair advantage in the marketplace.  Ultimately, the stranded coal assets are likely to be passed down to consumers through higher power prices.

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Land of the Rising Sun and Offshore Wind

Photo, posted April 25, 2019, courtesy of Jen via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

The Energy Vault

May 28, 2019 By EarthWise Leave a Comment

A potentially transformative utility-scale energy storage technology has won a 2019 “World Changing Idea” award from Fast Company magazine.  Known as the Energy Vault, the technology seeks to be the successor to the granddaddy of grid energy storage:  pumped hydro.

Shifting water between higher and lower reservoirs is still basis of the vast majority of global grid storage capacity.  But it is limited both by its unique location needs and by environmental regulations.

A start-up company also called Energy Vault and based in both Switzerland and Southern California has come up with an extremely creative grid storage concept.  The technology consists of a six-armed crane that stacks huge concrete blocks using a currently available source of cheap and abundant grid electricity, and then drops them down to generate electricity when needed.

The system is said to operate at about 90% efficiency and can deliver long-duration storage at half the prevailing price on the market today.

A full-scale Energy Vault plant, called an Evie, would look like a 35-story crane with six arms, surrounded by thousands of manmade concrete blocks, weighing nearly 40 tons each.  When charging, the plant will stack the blocks around itself higher and higher in a Babel-like tower.  To discharge, the cranes drop the blocks down, generating power from the speedy descent.  This configuration can deliver 4 megawatts of power and store about 35 megawatt-hours of energy.

There isn’t even a factory needed.  The company would deliver a crane from a manufacturer.  The crane will then assemble the blocks onsite using recycled concrete.  Operation is then fully automated.  The system is expected to run for 30 or 40 years.

So far there is only a one-seventh scale demo unit in Switzerland.  But this is a very intriguing idea.

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Energy Vault Wins World Changing Idea Award 2019 from Fast Company for Transformative Utility-Scale Energy Storage Technology

Photo courtesy of Energy Vault.

Earth Wise is a production of WAMC Northeast Public Radio.

Fumes From Gas Stations

November 15, 2018 By EarthWise Leave a Comment

https://secureservercdn.net/198.71.233.129/22d.937.myftpupload.com/wp-content/uploads/2018/11/EW-11-15-18-Fumes-from-Gas-Stations.mp3

A study by environmental health scientists at Columbia University examined the release of vapors from gas station vent pipes and found that emissions were 10 times higher than the estimates used to establish setback regulations that determine how close schools, playgrounds, and parks can be to the facilities.

[Read more…] about Fumes From Gas Stations

Clean Water In The Corn Belt

October 26, 2018 By EarthWise Leave a Comment

https://secureservercdn.net/198.71.233.129/22d.937.myftpupload.com/wp-content/uploads/2018/10/EW-10-26-18-Clean-Water-in-the-Corn-Belt.mp3

Iowa is grappling with a growing battle over the integrity of its water.  Nitrogen and phosphates have been flowing in ever-increasing quantities into Iowa’s public water supplies and dealing with the problem has become a major political issue in the state.

[Read more…] about Clean Water In The Corn Belt

The Problem With Flaring

October 12, 2018 By EarthWise Leave a Comment

https://secureservercdn.net/198.71.233.129/22d.937.myftpupload.com/wp-content/uploads/2018/10/EW-10-12-18-The-Problem-with-Flaring.mp3

Oil and gas are typically produced together.  If oil wells are located near gas pipelines, then the gas gets used.  But if the wells are far offshore, or it is not economical to get the gas to market, then oil companies get rid of the gas by burning it – a process known as flaring.

[Read more…] about The Problem With Flaring

Air Pollution And Diabetes

August 9, 2018 By EarthWise 3 Comments

https://secureservercdn.net/198.71.233.129/22d.937.myftpupload.com/wp-content/uploads/2018/08/EW-08-09-18-Air-Pollution-and-Diabetes.mp3

Air pollution is deadly.  Studies have found that fine particulate matter, such as airborne pieces of dust, dirt, smoke, soot, and other microscopic particles can enter our lungs and bloodstream, contributing to major health conditions such as heart disease, stroke, cancer, and kidney disease.

[Read more…] about Air Pollution And Diabetes

European Diesel Under Siege

June 5, 2018 By EarthWise Leave a Comment

https://secureservercdn.net/198.71.233.129/22d.937.myftpupload.com/wp-content/uploads/2018/06/EW-06-05-18-European-Diesel-Under-Seige.mp3

Diesel cars have never been very popular in the US and in the aftermath of the so-called Dieselgate scandal at Volkswagen, they are even less so.  Less than a dozen diesel car models are available for purchase in the US and only one of those is from a German automaker: BMW.

[Read more…] about European Diesel Under Siege

New Energy Goals For New York

June 1, 2018 By EarthWise Leave a Comment

https://secureservercdn.net/198.71.233.129/22d.937.myftpupload.com/wp-content/uploads/2018/06/EW-06-01-18-New-NY-Energy-Goals.mp3

Since 2015, New York has had in place an energy plan aimed at building a clean, resilient and cost-effective energy system for the state.  A key part of that plan is to reduce greenhouse gas emissions by 40% from 1990 levels by the year 2030.  Another major goal is to have 50% of the state’s electricity produced from renewable sources by the same year.

[Read more…] about New Energy Goals For New York

Mandatory Solar In California

May 30, 2018 By EarthWise Leave a Comment

https://secureservercdn.net/198.71.233.129/22d.937.myftpupload.com/wp-content/uploads/2018/05/EW-05-30-18-Mandatory-Solar-in-California.mp3

In May, California became the first state in the U.S. to require solar panels on almost all new homes.  Under new standards adopted by the California Energy Commission, most new homes, condos and apartment buildings built after January 1, 2020 will be required to include solar systems.

[Read more…] about Mandatory Solar In California

The Chinese War On Pollution

April 10, 2018 By EarthWise Leave a Comment

https://secureservercdn.net/198.71.233.129/22d.937.myftpupload.com/wp-content/uploads/2018/03/EW-04-10-18-The-Chinese-War-on-Pollution.mp3

For years, China has been struggling with some of the worst air pollution in the world.  According to the European Union, only 1% of the country’s half a billion city dwellers were considered safe because almost all of its major cities were covered with what was described as a toxic grey cloud.

[Read more…] about The Chinese War On Pollution

Renewables Beat Out Coal In Europe

March 5, 2018 By EarthWise 1 Comment

https://secureservercdn.net/198.71.233.129/22d.937.myftpupload.com/wp-content/uploads/2018/03/EW-03-05-18-European-Renewables-Beat-Coal.mp3

Last year was the first year in which more electricity in Europe was generated from the combination of wind, sun, and biomass than from coal.  The combination of all clean energy sources (which adds hydropower to the mix) surpassed coal several years ago.

[Read more…] about Renewables Beat Out Coal In Europe

2017 Was Hot

March 1, 2018 By EarthWise Leave a Comment

https://secureservercdn.net/198.71.233.129/22d.937.myftpupload.com/wp-content/uploads/2018/03/EW-03-01-18-2017-Was-Hot.mp3

There’s no argument to be made about whether 2017 was hot or not. The only uncertainty is whether it was the second or third warmest year ever recorded. 

[Read more…] about 2017 Was Hot

China And Electric Cars

December 19, 2017 By EarthWise Leave a Comment

https://secureservercdn.net/198.71.233.129/22d.937.myftpupload.com/wp-content/uploads/2017/12/EW-12-19-17-China-and-Electric-Cars.mp3

While American politicians were voting on eliminating tax credits for buyers of electric vehicles, auto executives from around the world were gathering to make ambitious plans to sell more electric cars in China.

[Read more…] about China And Electric Cars

An Internal Price On Carbon

December 11, 2017 By EarthWise Leave a Comment

https://secureservercdn.net/198.71.233.129/22d.937.myftpupload.com/wp-content/uploads/2017/11/EW-12-11-17-An-Internal-Price-on-Carbon.mp3

As the world looks to reduce carbon emissions, many companies are dealing with paying for their carbon emissions as part of the cost of doing business.  But apart from the situations in which companies already are required to pay for their carbon emissions, a growing number of companies now build carbon pricing into their business plans even if they are not yet directly paying for their emissions.  This practice is known as putting an internal price of carbon into their business plan.

[Read more…] about An Internal Price On Carbon

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