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Is de-extinction possible?

January 28, 2025 By EarthWise Leave a Comment

Advances in genomics have created the possibility of bringing back extinct species from the past by making use of recovered DNA from preserved specimens.  Companies attempting to “de-extinct” iconic species have received hundreds of millions of dollars from venture capitalists.

These companies are trying to bring back iconic species that include ivory-billed woodpeckers, Tasmanian tigers, dodos, passenger pigeons, and woolly mammoths. 

Efforts to recreate extinct species are controversial.  The arguments in favor include the positive effects on ecosystems when keystone species are restored, and the excitement generated about conservation in general.  The opposing view is that concentrating all this effort on these restorations diverts attention and funding from more urgent conservation work.

A more nuanced viewpoint that has emerged is that actually de-extincting species is not possible.  The genome of these vanished species cannot be reconstructed perfectly.  Specimens are not cryopreserved from when the animal died.  What can be retrieved is at best significant fragments of the genome.  These are combined with DNA from related contemporary animals to produce the new species.   

As a result, what emerges are proxies.  They are animals that are similar to extinct animals – in some cases convincingly so – but they are not the same species that existed in the past.   They may be able to fill the same ecological niches and they may have similar behavior.  But they are not de-extincted specimens of the past species.  Is it worth doing?  Quite possibly but it’s not actually bringing back what is gone.

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Despite Biotech Efforts to Revive Species, Extinction Is Still Forever

Photo courtesy of Grazelands Rewilding.

Earth Wise is a production of WAMC Northeast Public Radio

Investing in carbon capture

January 22, 2025 By EarthWise Leave a Comment

The interests of billionaires seldom seem to coincide with our own.  In fact, they often seem to be quite the opposite.  But there are a number of billionaires who are trying to help the world combat climate change.  Yes, they want to make money doing it, but doing it is nevertheless in everyone’s interest.

A group headed by Bill Gates that included some of the wealthiest people from around the world met last summer in London to evaluate companies working to mitigate the effects of climate change.  These included companies developing carbon dioxide removal technologies.  Stripping carbon dioxide out of the atmosphere is an obvious way to deal with the fact that we continue to dump too much of it into the atmosphere –   obvious, but extremely difficult to do at any scale that makes a difference.

Companies working on carbon capture have raised more than $5 billion since 2018.  There are hundreds of companies working on it and investors include billionaires, venture capitalists, private equity firms, and major corporations.  Companies like Microsoft, Google, and United Airlines have committed billions of dollars to purchase removal credits:  payments to companies for removing carbon dioxide.

There are only a few dozen carbon removal facilities operational today and together they only capture a tiny fraction of the carbon dioxide humans release into the atmosphere.  The hope is that such facilities will scale up in size and number so that they will make a real dent in the problem.  But it will take many years at best, and the planet doesn’t have that much time.  To make a difference, carbon emissions must be reduced as quickly as possible.

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The New Climate Gold Rush: Scrubbing Carbon From the Sky

Photo, posted April 19, 2020, courtesy of Greg Rubenstein via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Mining extinct volcanoes

December 2, 2024 By EarthWise Leave a Comment

Rare earth elements are a group of 17 elements that are used to improve the performance, efficiency, and durability of a wide range of products.  More than 200 products across a diverse set of applications make use of rare earth elements.  Although the amount of rare earth used in a particular product may not be very much of its weight, volume, or monetary value, it may often be necessary for the device even to function.  Rare earth elements react with other elements to form compounds that are essential because of their specific chemical behaviors. 

Rare earth elements are not actually rare; in fact, they are fairly common.  But they are mostly not found in their pure form and are generally difficult to refine.  China accounts for more than 90% of global production of rare earth elements and this represents a strategic problem for the rest of the world.

New research by scientists from the Australian National University has found that some extinct volcanoes, which have not erupted for thousands or even millions of years, may be rich sources of rare earth elements.  Furthermore, those elements may be easier to extract than the ones from other sources because the iron-rich magma that formed the volcanoes could be up to 100 times more efficient at concentrating rare-earths than magma found in active volcanoes today.

The clean tech industry uses rare earths for wind turbines, solar panels, and electric cars.  The demand for rare earths may grow fivefold by the end of this decade.  Relying on just one country for the world’s supply is a major concern.  There are ancient volcanoes all over the planet and they may represent a solution to a global problem.

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Extinct Volcanoes Could Be Source of Key Metals Needed for Clean Tech

Photo, posted June 6, 2020, courtesy of Dennis Jarvis via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Wildlife crossings

October 23, 2024 By EarthWise Leave a Comment

Building more wildlife crossings to reduce collisions between cars and animals

Every year, there are one to two million collisions between motor vehicles and large animals in the U.S.  About 200 people are killed annually.  Counting smaller vertebrates, around a million animals are killed by vehicles each day.  Research has shown that global warming is triggering widespread species redistribution.  As a result, more and more animals are on the move, changing their habitats to escape warming temperatures and climate extremes.

This situation has created renewed interest in creating wildlife crossings.  These are various kinds of structures that allow animals to traverse human-made barriers like highways.  They include such things as a grassy overpass that allows pronghorn to run across a highway in Wyoming and a long underpass that allows tigers to scamper beneath a highway in India.

In the U.S., there are more than 1,000 wildlife crossings and there are more being built all the time.  Data shows that they are highly effective.  A study of wildlife crossings on Highway 9 through the Blue River Valley in Colorado found that they reduced wildlife-vehicle collisions by nearly 90%. 

Wildlife crossing structures can be expensive to build, costing between $500,000 and $6 million, but research has shown that the money saved by avoiding crashes can recoup these costs in just a few years along with the fact that they potentially save lives.  Federal funding is largely distributed based on areas with the highest number of wildlife-vehicle collisions, which is crucial for addressing public safety issues.  However, a recent study suggests that future proposals need to incorporate climate-driven changes in animal behavior and habitat.

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As Climate Changes Fuels Animal Movement, Will These Structures Still Help Species Cross the Road?

Photo, posted April 5, 2017, courtesy of Jeffrey Beall via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Clean energy investment at record levels

July 26, 2024 By EarthWise Leave a Comment

According to a new study by the International Energy Agency, global clean energy investment will be nearly twice that of fossil fuels this year.  The surging funding for clean energy is being driven by a combination of lower costs for renewable energy and by improving supply chains.

In 2024, the world’s investments in energy are expected to surpass $3 trillion dollars for the first time.  About $2 trillion of that will be directed at green technologies that include renewable power sources, grids, and energy storage; electric vehicles; low-emission fuels; nuclear power; and heat pumps and efficiency improvements.  The remaining amount of just over $1 trillion will fund oil, gas, and oil projects.

The record growth in clean energy investments is taking place in spite of challenging economic conditions related to high interest rates, which demonstrates the momentum behind the global energy transition.

The IEA report does caution that there are big imbalances and shortages in energy investment in various places around the world.  For example, there is a low amount of green energy spending in developing and emerging economies outside of China.  Countries like Brazil and India are leading the way for this sector by having investments in excess of $300 billion.

More money is currently going into solar power development than all other electricity generation technologies combined.  In 2024, solar photovoltaic power investment is set to grow to $500 billion as the falling price of solar modules spurs new investments.

The largest renewable investments will come from China at $675 billion, followed by Europe and the U.S. at $370 billion and $315 billion, respectively.

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Global Clean Energy Investment Will Nearly Double That of Fossil Fuels in 2024: IEA Report

Photo, posted October 2, 2015, courtesy of John Englart via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Averting a mass extinction

July 19, 2024 By EarthWise Leave a Comment

Averting a sixth mass extinction

There has been widespread concern that biodiversity is under siege and that we are in the beginnings of a sixth mass extinction in the long history of the Earth, this time caused by the actions of humanity.  There has been considerable debate about what can be done about it and solutions generally involve protecting large areas of the planet from human disruptions.  Some countries have set a target of protecting 30% of land and sea.

A new study by a broad coalition of conservation organizations and published in Frontiers in Science, concludes that humans can preserve much of the great diversity of life on Earth by setting aside just 1.2% of the planet for protection.

The experts mapped the wilderness available to rare and threatened plants and animals.  They then identified specific hotspots for rare wildlife that have yet to be protected.  They found a total of 16,825 such sites which nevertheless all together add up an area smaller than the state of Wisconsin.

Some scientists have been warning that by focusing too much on the size of protected lands, we are not necessarily safeguarding areas that are especially rich in wildlife.  The new study pushes for prioritizing hotspots for rare species, which the authors claim would be sufficient to stave off a sixth mass extinction.  The truth is that most species on Earth are rare, meaning that they are few in number or cover a small range, or both.

The study estimated that the cost of protecting the identified hotspot sites would be $263 billion, which is certainly a large amount of money.  But the authors point out that this sum to save global biodiversity is less than the yearly revenue of Shell Oil.

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To Avert a Mass Extinction, Protect 1 Percent of Earth

Photo, posted April 20, 2018, courtesy of Per Harald Olsen / AfricanBioServices via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Protecting wine grapes from wildfire smoke

February 27, 2024 By EarthWise Leave a Comment

In recent years, wildfires have become a major threat to the wine industry because of the effects of smoke on wine grapes.  Smoke taint from the California fires of September 2020 significantly impacted the quality of wine grapes.  In total, smoke taint cost the wine industry in Western states more than $3 billion in losses from the hundreds of thousands of tons of wine grapes that could not be harvested because of the off flavors imparted by the smoke.  The California wine industry alone is a $43 billion a year business and the state’s frequent wildfires are a major threat to it.

Researchers at Oregon State University have developed techniques for eliminating the effects of three volatile chemical compounds that contribute to smoke taint in grapes.  The compounds are guaicol, syringol, and meta-cresol.

The researchers developed cellulose nanofiber-based coatings that can be applied to grapes in the vineyard.  The coatings can block guaicol and syringol and capture meta-cresol.

Blocking is ideal because the coating doesn’t absorb the wildfire smoke compounds.  Therefore, it doesn’t have to be washed off.  Capturing means the coating absorbs the compounds and would need to be washed off.  Ideally, a coating that doesn’t need to be washed off would save time, money, and water.

Two years of studies at Oregon State found that the coatings do not impact the growth and quality of wine grapes.  In an era when wildfires are increasingly common and extensive, growers need something they can spray on their vines to protect their grapes.  If the Oregon State technology can be commercialized, it would be a game-changer for the Western U.S. wine industry.

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Spray coating for grapes shows promise in battle between wildfire smoke and wine

Photo, posted October 3, 2006, courtesy of Naotake Murayama via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Clean Energy From North Africa | Earth Wise

April 7, 2023 By EarthWise Leave a Comment

Europe turning to North Africa for its clean energy needs

Europe is hungry for clean energy.  The war in Ukraine has amplified Europe’s desire to end its reliance on Russian natural gas.  Increasingly, Europe is pushing to install giant solar energy farms in sunny North Africa and transport the energy through underwater cables.

Solar panels in sunny North Africa generate up to three times more energy than those in Europe.  As a result, solar farms and wind farms as well are proliferating south of the Mediterranean Sea.  Morocco’s Noor and Egypt’s Benban solar farms are among the largest in the world.  Many of these farms were initially built to boost domestic power supplies and reduce dependence on coal.  But now these farms are increasingly supplying green energy to industrial neighbors in Europe.

Morocco has signed deals with the European Union to expand power exports.  Egypt is considering proposals for cables to link to Greece.  Another planned cable would link new solar farms in Tunisia to Italy’s grid.  These projects would certainly bring money and jobs to North African countries, but it isn’t all good news.

There are growing concerns about the environmental impacts of Europe outsourcing its energy needs.  Desert ecosystems could be greatly compromised.  And much of this development is likely to happen with only minimal community consultation or ecological assessment.  Half of Africa’s population does not have access to reliable power grids. Electricity becoming a major export is not likely to improve this situation.

Europe has long obtained many resources from the developing world.  Now it is tapping into the sunshine and wind in other lands.  It remains to be seen if North Africa’s countries will achieve the large potential gains those resources can offer them.

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In Scramble for Clean Energy, Europe Is Turning to North Africa

Photo, posted October 17, 2019, courtesy of Richard Allaway via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

An Agreement To Protect Biodiversity | Earth Wise

January 18, 2023 By EarthWise Leave a Comment

The UN Biodiversity Conference in Montreal in December concluded with a historic deal aimed at stemming the rising tide of extinctions.  Nearly 200 countries signed on to the agreement to protect 30% of the Earth’s land and sea by the end of this decade.

Part of the agreement also pledges that countries will reduce fertilizer runoff from farms by 50%, reduce the use of harmful pesticides by 50%, and stem the flow of invasive species. 

Of course, all of these promises are only words unless they are backed up by actions and actions cost money.  The agreement promises to direct $200 billion a year towards biodiversity by the end of this decade.  Wealthy countries were urged to provide $100 billion a year to fund the actions of poorer countries, but they resisted the pressure.  Eventually, they did agree to send $30 billion a year to developing countries by 2030.

It is a significant step forward to establish clear targets for stopping biodiversity loss.  However, the ultimate success of the pact will depend on the willingness of countries to cooperate and compromise.

According to UN estimates, about a million species across the globe face extinction as a result of rising temperatures, air and water pollution, invasive species, and habitat loss due to development.   At present, only 16% of land and 8% of the oceans are within protected areas. 

The UN Environment Program stated that “for far too long humanity has paved over, fragmented, over-extracted, and destroyed the natural world on which we all depend.  Now is our chance to shore up and strengthen the web of life, so it can carry the full weight of generations to come.”

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In Historic Deal, Countries Agree to Protect 30 Percent of Earth to Halt Biodiversity Loss

Photo, posted August 13, 2015, courtesy of Andrew H via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

A Green New Year | Earth Wise

December 30, 2022 By EarthWise Leave a Comment

Every year, millions of people around the world make resolutions in hopes of sparking positive changes in the new year.  Popular resolutions include improving health and fitness, traveling more, spending less, and so on.  With the New Year just around the corner, here are seven resolutions we all could make that would collectively have a major impact on the planet: 

1) Eat less meat.  Resource-intensive animal-based foods like meat, dairy, and eggs are one of the chief contributors to climate change. 

2) Get a home energy audit.  It’s a great way to understand your home’s energy footprint and discover ways to improve the energy efficiency of your home. 

3) Buy local whenever possible.  Shopping locally supports the local economy and dramatically cuts down on the carbon emissions associated with shipping.

4) Carry reusable shopping bags on errands. While disposable shopping bags are convenient, they are difficult to recycle and are often thrown away. 

5) Air dry your laundry whenever possible.  Drying clothes outside or using an indoor drying rack can save money and energy.  Americans spend about $9 billion a year on electricity to dry clothing. 

6) Purchase used or pre-owned items.  The market for second-hand items is booming, making it possible to purchase pretty much anything you want at thrift stores or online. 

7) Bring a reusable water bottle everywhere.  According to the EPA, Americans throw away enough plastic bottles each year to circle the earth five times.  Carrying your own bottle helps reduce this waste and will save you money.

As we ring in the new year this weekend, let’s raise our glasses to a cleaner and greener 2023. 

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10 Sustainable New Year’s Resolutions!

New Year’s Resolutions

Photo, posted December 31, 2014, courtesy of Doug Anderson via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Climate Promises | Earth Wise

November 23, 2022 By EarthWise Leave a Comment

Countries are making climate promises, but are they following through?

The United Nations climate change conference that recently took place in Egypt is an annual event.  Last year, the conference was in Glasgow, Scotland, and the participants – heads of state and business leaders – produced a long list of promises aimed at fighting global warming.  How have the countries and companies making those promises done so far?  Unfortunately, not very well.

Participants made pledges for progress in several major areas.

Countries promised to cut greenhouse gas emissions faster, but only 24 countries out of the 140 participants have actually done so.

Countries agreed to expedite the deployment of clean energy and the phasing out of government subsidies for fossil fuels.  There has been considerable progress on green power, but coal use actually reached record highs this year primarily because of Russia’s invasion of Ukraine, which caused natural gas prices to spike.

Countries pledged $100 billion a year to help poorer countries shift to cleaner energy sources.  There has been lots of effort in this area, but the target has not been met and it isn’t clear that all the money is going where it is supposed to.

More than 100 countries pledged to slash methane emissions, but most nations are only getting started.

More than 130 countries pledged to halt and reverse deforestation by 2030.  Deforestation is slowly declining, but not fast enough to meet the goals of the pledge.

An important goal for this year’s climate conference was to try to find a way to not just set admirable and valuable climate goals, but to actually accomplish them.  It isn’t easy, but it is essential.

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Countries Made Bold Climate Promises Last Year. How Are They Doing?

Photo, posted July 25, 2009, courtesy of Wagner T. Cassimiro via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Planting Millions Of Trees Isn’t So Easy | Earth Wise

November 11, 2022 By EarthWise Leave a Comment

Mass tree plantings are not always effective

There are initiatives around the world to plant millions of trees as a way to fight climate change.  Unfortunately, scientists have observed that many of these projects are ill-conceived and poorly managed.  Some have failed to grow any forests at all.

One such project was an attempt to plant a million mangrove seedlings in coastal mud on the Filipino island of Luzon in 2012.  Ten years later, less than 2% of the trees have survived.  The other 98% have died or have washed away.  The problem was that the site of the project was ecologically unsuited to mangroves because it is too waterlogged and there is no oxygen available except in a few sheltered spots.

In 2019, the Turkish government managed the planting of 11 million trees in 2,000 sites across the country.  A later survey found that 90% had died, although the government denies that assertion.

Many other projects have also had dismal results.  The causes of failure vary but include planting single species of trees that become vulnerable to disease, competing demands for land, changing climate, planting in areas not previously forested, and lack of ongoing care for the saplings including watering them.

Nobody is opposed to mass tree planting.  There is no anti-tree lobby.  But tree planting is sometimes a form of greenwashing.  It is great for public relations but unless it is done properly with appropriate planning, it can be a waste of effort and money.  The result can be a phantom forest that does nothing for the climate.

Forest planting can work if the social and environmental conditions are right, and if planting is followed by long-term monitoring and care of the trees.

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Phantom Forests: Why Ambitious Tree Planting Projects Are Failing

Photo, posted April 20, 2016, courtesy of the U.S. Navy / Mass Communication Specialist 2nd Class John Benson via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Decarbonizing Could Save Trillions | Earth Wise

October 18, 2022 By EarthWise Leave a Comment

Decarbonizing could save $12 trillion globally

Scientists have long been calling for a transition to clean energy to prevent catastrophic impacts of climate change.  For much of that time, many people and, specifically, many of those in power, were skeptical of the need to do something about the warming climate.  But even as the facts about the changing climate became increasingly undeniable, there continued to be fears that the transition to clean energy sources would be unacceptably expensive and harmful to the economy.

A recent study published by Oxford University shows that the opposite is true:  a concerted effort to convert to green energy technologies such as solar, wind, and batteries, will save the world enormous amounts of money.

The Oxford study shows that a transition to nearly 100% clean energy by 2050 results in a lower-cost energy system that provides energy access to more people around the world.  The energy transition is expected to save the world at least $12 trillion compared to continuing our current levels of fossil fuel use.

The cost of renewable energy sources has been going down for decades and they are already cheaper than fossil fuels in many situations.  It is expected that they will become cheaper than fossil fuels across almost all applications over time.  Accelerating the transition will allow renewables to become cheaper faster.

The study made use of probabilistic models to estimate the costs of various possible future energy systems based on past data.  Even the most pessimistic models showed that scaling up green technologies is likely to drive their costs down so far that they will generate net cost savings and that the faster the transition goes, the more will be saved.  The result will be a cleaner, cheaper, more energy secure future.

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Decarbonising the energy system by 2050 could save trillions

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

Earth Wise is a production of WAMC Northeast Public Radio

Saving Money By Predicting The Wind | Earth Wise

July 1, 2022 By EarthWise Leave a Comment

Managing an electrical grid that utilizes significant amounts of intermittent generation sources – solar and wind power – brings with it some unique challenges.  There are abundant wind resources in this country and more and utilities are taking advantage of these resources.   But there are times when there is more wind, times when there is less wind, and times when there is no wind at all.   Utilities need accurate wind forecasts to determine when they need to generate or purchase energy from alternative sources.

Poor wind forecasts can cost utilities a lot of money.  If there is overprediction – that is, when there is less wind than predicted – utilities have to purchase energy off the spot market at higher prices.  If there is underprediction – more wind than predicted – utilities may needlessly burn fossil fuels and waste money that way. 

The National Oceanic and Atmospheric Administration produces wind forecasts using its High-Resolution Rapid Refresh (HRRR) weather model, which provides hourly updated forecasts for every part of the United States looking forward up to 48 hours.  The model generates predictions of wind speed and direction at multiple levels of the atmosphere, information that utilities can use to predict the output of their wind turbines.

A new study by economists and scientists from Colorado State University and NOAA estimated the financial impact of the HRRR model on wind farm production.  The research team calculated that increasingly accurate weather forecasts over the last decade have saved consumers over $150 million a year.   Estimates are that if the newest model was in use in previous years, the savings would have been over $300 million a year.

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NOAA wind forecasts result in $150 million in energy savings every year

Photo, posted May 2, 2022, courtesy of California Energy Commission via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

New York Bight Offshore Wind | Earth Wise

May 2, 2022 By EarthWise Leave a Comment

Late in February, the U.S. completed the most successful offshore wind lease auction in history.  The auction for rights to develop offshore wind in the New York Bight brought in a record $4.37 billion from the companies bidding for them.

The New York Bight is an area of ocean off the coasts of New York and New Jersey that the Bureau of Ocean Energy Management has divided into six lease areas for offshore wind development.  It covers a total of 480,000 acres.  The more than $4 billion secured in the auction is more than three times the revenue received from all U.S. offshore oil and gas lease auctions over the past five years.

Five out of the six winning bids have European connections in the form of various partnerships.  Europe has a far more advanced offshore wind market than the U.S. with a total of 25 GW of installations as of 2020.  Winning bidders included participation by RWE from Germany, British-owned National Grid, and Copenhagen Infrastructure Partners, among others.  Chicago-based Invenergy was the only American company without a European partner to have a winning bid.

The expected installed capacity for the 6 leased areas in the New York Bight is expected to be between 5.6 and 7 GW, enough to power 2 million homes.  The Bureau of Ocean Energy Management said capacity could be even higher.

The successful action has set the tone and expectations for auctions to come.  BOEM has six more offshore wind auctions planned over the next three years.  Forthcoming auctions are for areas of the Carolinas, Northern and Central California, the Gulf of Mexico, the Central Atlantic, Oregon, and the Gulf of Maine.

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New York Bight: 5 takeaways from the record-breaking offshore wind auction

Photo, posted August 13, 2013, courtesy of Larry 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.

Eating To Help The Planet | Earth Wise

November 30, 2021 By EarthWise Leave a Comment

Agriculture accounts for more carbon dioxide emissions than transportation.  Producing our food is one of the largest contributors to climate change.   Experts agree that the world cannot achieve net zero emission targets without changing our diets.  Be that as it may, we still have to eat. 

According to experts from Oxford University, there are things we as individuals can do to lower the impact of the food system on the climate.

There are three primary actions that would have the greatest impact: avoiding eating too much, cutting down on food waste, and reducing consumption of meat and dairy.

We all know that overeating is bad for our health, but it is also bad for the environment as it drives excess production and the emissions associated with it.

Food waste occurs across the supply chain but much of it is in the hands of consumers.  Food waste costs us a lot of money and is associated with emissions that are ultimately unnecessary.  The goal of the consumer should be to buy only the food one needs and to eat what one buys.

Meats, particularly from ruminant animals, result in the highest emissions per pound of food compared with vegetables, grains, and such.  Some people have given up animal proteins entirely, but properly managed livestock are an important part of the agricultural ecosystem and provide valuable services including enhancing the carbon sequestering ability of grasslands.  Nevertheless, it is important to reduce the global demand for meat and thereby prevent the need to clear more land for livestock and reduce emissions from meat animals.  So, we should all eat less meat and dairy even if we don’t become vegetarians.

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How can we eat without cooking the planet?

Photo, posted September 17, 2017, courtesy of Ella Olsson via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Community Solar With Storage In New York | Earth Wise

November 16, 2020 By EarthWise Leave a Comment

Community solar

Community solar allows members of a community to share the benefits of solar power even if they cannot or prefer not to install solar panels on their own property.  There are several models for how community solar works, but all of them allow members to benefit from solar power being generated by an offsite solar array by effectively allocating a portion of its output to them.  In any event, community solar can save money on electric bills and allow people to make use of renewable energy for their needs.

A next step in the evolution of a decentralized energy system is incorporating energy storage into community solar projects.  The first one of these in New York State has now been completed in Yorktown Heights in Westchester County.  The project consists of 557kW of rooftop solar in the form of nearly 1,500 solar panels paired with 490kW of four-hour Tesla Powerpack battery energy storage.  The system is expected to provide 150 participants with approximately 10% savings on their monthly electric bills over 25 years, as well as providing power to 12 Tesla electric vehicle charging stations.

The project was funded by NYSERDA, under its Retail Energy Storage Incentive program, which currently includes 50 community solar-storage paired projects across New York State that are expected to be installed in the next two to three years.

New York has been actively promoting community projects in support of goals announced by Governor Andrew Cuomo to install 6,000MW of solar in the state by 2025 and 3,000MW of energy storage by 2030.

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First community solar-storage project completed in New York

Photo, posted June 21, 2017, courtesy of Franck Michel via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Paying To Combat Climate Change | Earth Wise

November 2, 2020 By EarthWise Leave a Comment

Fighting climate change

The majority of Americans believe that climate change is happening, that human activities are largely responsible, and are actually willing to put up their own money to help fight it.   Unfortunately, these views diverge sharply along party lines and, as in many other areas these days, the will of the overall majority has little influence on policy.

According to Yale University research, 73% of adults think that global warming in happening and 57% think it is mostly caused by human activities.  Furthermore, only 32% believe it is due to natural forces.

A survey conducted in the U.S. in August found that more than two-thirds of Americans – actually 70% – indicated willingness to donate a percentage of their personal income to support the fight against climate change.

Breaking that down further, 28% were willing to provide less than 1% of their income, 33% were willing to contribute 1-5% of their income, 6% said they would give 6-10% of their income, and 3% said they would contribute more than 10% of their income.  On the other hand, roughly 30% indicated that they were unwilling to contribute.

The survey also looked at opinions on how the fight against climate change should be paid for.  The majority (59%) chose government incentives for both businesses and consumers.   Three other options each favored by over 40% of those surveyed were taxes, conservation programs, and business investments. 

Another finding of the survey was that 44% are dissatisfied with the job that the federal and state governments are doing to address climate change, 35% are somewhat satisfied, and only 21% are very or completely satisfied with the government’s role.

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Yale Climate Opinion Maps 2020

Two-thirds of Americans are willing to donate part of their income to fight climate change

Photo, posted April 29, 2017, courtesy of majunznk via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

An Incentive For Carbon Capture | Earth Wise

April 1, 2020 By EarthWise Leave a Comment

Convincing industries to reduce their carbon dioxide emissions has not been easy.  Many approaches have been debated, including carbon taxes, carbon tax-and-trade schemes, and passing a giant Green New Deal.  Most economists agree that putting a price on carbon is likely to be the most effective approach.

But there is already in place an adjustment to the US tax code that is more of a carrot than a stick.  It is a tax credit that is designed to make capturing CO2 a financial winner for a number of high-emitting industries.  The credit, called 45Q, was enacted in February 2018.

The 45Q credit earns industrial manufacturers $50 per metric ton of CO2 stored permanently or $35 per ton if the CO2 is put to use.  An earlier credit for capturing carbon dioxide was limited to only $20 per metric ton and was capped at 75 million tons.  Some large fossil fuel companies did make use of the earlier credit.

The new version does not have a cap, but to qualify, companies need to start constructing carbon-capture facilities within 7 years and have 12 years to claim their money.

Companies with emission-intensive operations are busy figuring out how to take advantage of the credit.  These include cement makers, steel and power plants, corn ethanol producers, and ammonia plants.

Because the credit mandates that companies start constructing their carbon-capture facilities within seven years, most companies will tend to rely on mature technologies.  But the tax credit should also drive demand for next-generation carbon-capture technologies, of which there are many under development.  Saving lots of money on taxes is likely to lure US companies to capture carbon dioxide.

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45Q, the tax credit that’s luring US companies to capture CO2

Photo, posted October 2, 2014, courtesy of Sask Power via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

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