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Plant-Based Foods And CO2 Emissions | Earth Wise

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We often hear how eating locally-sourced food is a way to minimize the carbon footprint of our diet.  But from a climate impact perspective, this only has a significant impact if transportation is responsible for a large portion of a food’s final carbon footprint.  In many cases, the greenhouse gas emissions related to transportation make up only a small portion of the total emissions from food, and what we eat is far more important.

In general, beef and lamb have the biggest climate footprint per gram of protein.  Plant-based foods tend to have the smallest impact. Pork and chicken are somewhere in the middle. 

According to new research, U.S. food production could reduce its agricultural carbon footprint between 2.5% and 13.5% by embracing plant-based alternatives to beef.  The study, from researchers at Cornell University, Johns Hopkins University, and international partners, found that most of the reduction would be achieved by decreasing the number of cows needed for beef production by two to twelve million animals.  The research was recently published in the journal Lancet Planetary Health.

However, the researchers also found that acting to reduce climate change in this manner could have unintended consequences.  For example, economic models from the research team show that the growth in popularity of plant-based beef could disrupt the agricultural workforce, threatening more than 1.5 million jobs. 

But in the big picture, doing nothing will cost much more than doing something to slow climate change.  Shifting diets away from meat and other animal products and towards more plant-based foods will help shrink carbon footprints and mitigate climate change.  It’s a win-win for the planet and for human health. 

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Plant-based ‘beef’ reduces CO2 but threatens ag jobs

Photo, posted November 27, 2018, courtesy of Sarah Stierch via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

A Boom In Auto Battery Manufacturing | Earth Wise

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Nearly all automobile manufacturers are in a global race to build electric cars and trucks.  There is a rapidly growing need for the battery packs that power those vehicles and therefore manufacturers are in a race to build battery factories to address that need.

The latest battery plant announcement comes from Stellantis – the new company created in 2021 through the merger of Fiat Chrysler and Peugeot.  Stellantis aims to sell five million electric cars by 2030, which means they will need a lot of batteries.  They will be spending $2.5 billion in partnership with Samsung to build a battery factory in Kokomo, Indiana.  The facility is expected to create 1,400 jobs.  Stellantis already had announced that it would build a battery factory in Windsor, Ontario in partnership with LG Energy Solutions. 

They are not alone in their aggressive efforts on electric vehicle battery development.  Ford Motor is building two battery plants in Kentucky and a third one in Tennessee.   Ford has recently started production of its F-150 electric pickup truck which has attracted large numbers of pre-orders.  The gas-powered Ford F-150 has been the best-selling vehicle in America for years.

General Motors is opening a new battery production plant in Ohio this summer and has two others under construction in Tennessee and Michigan.   Hyundai plans to spend $5.5 billion on an electric vehicle and battery manufacturing facility near Savannah, Georgia that is expected to begin operations in 2025.

The auto industry has been struggling in recent times, but there is clearly a massive boom underway as the industry makes the transition from internal combustion engines to battery electric power.

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Stellantis and Samsung to spend $2.5 billion on an electric vehicle battery plant in Indiana

Photo, posted July 29, 2017, courtesy of Steve Jurvetson via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Tourism And Invasive Species | Earth Wise

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Tourism has experienced exponential growth during the past 70 years.  In 1950, there were 25 million international tourist arrivals.  By 1990, it had ballooned to 435 million.  Between 1990 and 2018, the numbers more than tripled reaching more than 1.4 billion.  And by 2030, the number of international tourist arrivals is expected to reach 1.8 billion.

Tourism is vital to the success of many economies around the world.  Tourism can boost revenue, provide jobs, develop infrastructure, protect wildlife, and help preserve heritage sites and cultures.  But there can also be many downsides to tourism, one of which is that it can contribute to the introduction and spread of invasive species.  Non-native organisms can cause all sorts of social, environmental, and economic damage.   

Tourists help spread invasive organisms far and wide.  These organisms hitch rides in their luggage and on their shoes and clothing.  A 2011 study in New Zealand found that for every gram of soil on the shoes of in-bound international passengers, there were 2.5 plant seeds, 41 roundworms, 0.004 insects and mites, and many microorganisms. 

A new study by researchers from the University of Melbourne in Australia and AgResearch New Zealand examined to what degree tourism plays a role in the spread of invasive species.  According to the study, which was recently published in the journal NeoBiota, the research team found that the number of nights spent in hotels significantly correlated to the incursion of invasive species during that period.

Creating effective mechanisms to prevent the introduction of invasive species in the first place is the best way to prevent this problem. 

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Unwelcome guests: International tourism and travel can be a pathway for introducing invasive species

Number of tourist arrivals

Photo, posted March 27, 2005, courtesy of John via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Cleaning Up Abandoned Wells | Earth Wise      

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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.

A Solar-Powered Steel Mill | Earth Wise

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The steel industry is an essential part of modern society.  Economically, the U.S. steel industry produces goods valued at more than $100 billion a year and employs more than 80,000 people.  The steel industry is also a major contributor to greenhouse gas emissions.   On average, 1.85 tons of CO2 are emitted for every ton of steel produced.  Overall, the steel industry generates between 7 and 9% of the direct emissions that come from the global use of fossil fuel.

The industry is determined to reduce its environmental impact.  Steel is 100% recyclable and indeed much of it is recycled.  Over 2 billion tons of steel were produced in 2019. Meanwhile, more than 700 million tons of steel scrap are recycled each year.  Recycling greatly reduces the energy impact of the steel industry.

The industry has also significantly reduced its energy usage over the years using sophisticated energy management systems and energy recovery efforts.  Since 1960, the amount of energy needed to produce a ton of steel has dropped by 60%.  But making steel is still very energy intensive.

Recently, Lightsource bp announced that its 300 megawatt Bighorn Solar project in Colorado will be used to allow EVRAZ’s Pueblo steel mill to be the world’s first steel mill to run almost entirely on solar power.

The solar project, which will be fully online this month, is the largest on-site solar facility in the U.S. dedicated to a single customer.  (The Bighorn Solar project features 750,000 solar panels located on 1,800 acres).

The project demonstrates that even challenging industrial sectors can be decarbonized when companies work together on innovative solutions.

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Colorado steel mill becomes ‘world’s first’ to be run almost entirely on solar

Photo, posted October 16, 2017, courtesy of UC Davis College of Engineering via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Marine Heatwaves And Fish | Earth Wise

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Marine heatwaves are periods of abnormally high temperatures in the ocean that can trigger devastating impacts on ecosystems, including coral bleaching, toxic algal blooms, and mass mortality events.  Marine heatwaves can occur in any ocean and in any season.  They are defined based on the differences between actual and expected temperatures for the location and time of year.     

According to several studies, even under moderate climate warming scenarios, oceans will experience more frequent and longer-lasting marine heatwaves in the years to come.

Researchers from the University of British Columbia’s Institute for the Oceans and Fisheries in Canada have found that extremely hot years will wipe out hundreds of thousands of tons of fish globally this century.  These losses are in addition to the projected decreases to fish stocks from long-term climate change. 

Under a worst-case scenario where no action is taken to curb greenhouse gas emissions, the research team’s model predicts a 6% drop in the amount of potential catches per year.  In addition, the biomass (or amount of fish by weight) is projected to decrease in 77% of exploited species due to the extreme temperatures.

As a result of climate change and these extreme heat events, the research team projected that fisheries’ revenues would decrease by an average of 3% globally, and employment would fall by 2% globally – a loss of likely millions of jobs.

The research team says active fisheries management is critical.  Catch quotas, for example, need to be adjusted in years when fish stocks are suffering from marine heat events.  In severe cases, the fisheries may need to be shuttered in order to allow fish stocks to rebuild.  

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Fevers are plaguing the oceans — and climate change is making them worse

Marine heatwaves could wipe out an extra six per cent of a country’s fish catches, costing millions their jobs

Photo, posted October 11, 2016, courtesy of Kahunapule Michael Johnson via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Lower Power Sector Emissions | Earth Wise

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A combination of factors led to emissions from the U.S. power sector dropping 10% between 2019 and 2020, which was the largest one-year drop measured since annual reports first began being published in 1997.

The coronavirus pandemic was certainly a contributing factor, but the drop in emissions is part of a long-term trend being driven by increasing reliance on renewable energy sources, diminishing use of coal, and improving energy efficiency.

Between 2000 and 2020, power generation from solar, wind, and geothermal generation more than doubled.  Coupled with the declining use of coal power, power sector emissions during that period dropped by 37% even though the U.S. gross domestic product grew by 40% over the same years.   Overall, at this point zero-carbon electricity sources – which include wind, solar, geothermal, hydropower, and nuclear power – provide about 38% of U.S. electricity.

The Biden Administration has set a target of 100% zero-carbon power by the year 2035.  Given that the costs of wind and solar power continue to fall, there are power companies pushing for setting an intermediate goal of 80% clean power by 2030.

According to recent research, the increasingly attractive cost of renewable power along with the job creation associated with it means that reaching at least 90% clean power by the year 2035 could be achieved at no extra cost to consumers.  Being able to separate economic growth from emissions makes it far more likely that the goals of decarbonization can be met without encountering economic resistance. 

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U.S. Power Sector Sees Biggest One-Year Drop in Emissions in More Than Two Decades

Photo, posted June 30, 2019, courtesy of Stephen Strowes via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Better Ways To Make Bioplastics | Earth Wise

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The world produces over 300 million tons of plastics each year, mostly produced from petroleum.  The environmental consequences are substantial and there is a critical need to replace as much of that plastic production with biodegradable plastics as possible.  Thus, there is global research aimed at making bioplastics more economical and as environmentally friendly as possible.

Researchers at Texas A&M University have developed an improved approach for making bioplastics from corn stubble, grasses, and mesquite agricultural production.  Apart from the obvious environmental benefits of having biodegradable plastics, producing bioplastics from common agricultural waste would create new revenue streams for farmers as well as the people who transport harvested feedstock and byproduct crops to refinery operations.

The key to bioplastic production is the efficient extraction and use of lignin, the organic polymer that is the primary structural support material in most plants.  The new research takes five conventional pretreatment technologies for plant materials and modifies them to produce both biofuel and plastics together at a lower cost.  The new method is called “plug-in preconditioning processes of lignin” and it can be directly and economically added into current biorefineries.  The process is designed to integrate dissolving, conditioning, and fermenting lignin, extracting energy from it and making it easily adaptable to biorefinery designs.

The so-called bioeconomy currently supports some 286,000 jobs.  Innovation is the key to achieving more widespread use of biodegradable plastic.  With improved economics of so-called lignocellulosic biorefineries, there can be new avenues to use agricultural waste to produce biodegradable plastics.

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‘Plugging in’ to produce environmentally friendly bioplastics

Photo, posted November 5, 2015, courtesy of Kathryn Faith via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Offshore Wind In New Jersey | Earth Wise

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The New Jersey Board of Public Utilities recently selected to fund Ocean Wind 2, a 1,148-MW offshore wind energy project proposed by the Danish company Ørsted.  The agency also awarded Atlantic Shores Offshore Wind a contract to develop 1,410-MW of offshore wind capacity.

Ocean Wind 2 will develop the second section of the Ocean Wind federal lease area and will provide enough power for half a million New Jersey homes.  The first Ocean Wind project, also under development by Ørsted, was awarded in 2019. It’s expected to come online in 2024, and is located 15 miles off the coast of southern New Jersey. (The second project will be located adjacent to the first).

As part of the project, Ørsted is contributing to an expansion for the EEW facility in Paulsboro, where monopiles, which are foundation supports for offshore wind turbines, are manufactured.  That facility will be home to 500 full-time jobs and represents a $250 million investment into southern New Jersey.  The project is also bringing a commitment from GE Renewables to locate one of the country’s first offshore wind nacelle assembly facilities in New Jersey.  (This facility will assemble the nacelles for Ocean Wind 2 as well as other American offshore wind projects).

Overall, Ocean Wind 2 is expected to generate nearly $5 billion in net economic benefits for the state of New Jersey. 

The Atlantic Shores Offshore Wind project will be located 10-20 miles off the coast of New Jersey between Atlantic City and Barnegat Light and will bring about $850 million in local economic benefits to the state, including a variety of investments in local communities.

Overall, New Jersey has the goal of supplying more than 3.2 million homes with offshore wind power by 2035.

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New Jersey moves forward with two offshore wind projects representing almost 3 GW of capacity

Photo, posted March 24, 2016, courtesy of TEIA via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Utility-Scale Solar In Upstate New York | Earth Wise

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The first operational utility-scale solar projects in upstate New York are expected to commence commercial operations by the end of this year.  A portfolio of eight projects comprising over 200 megawatts of generating capacity is being developed by CS Energy in partnership with Goldman Sachs Renewable Power Group and NYSERDA.

The projects include three 27-megawatt installations in the Capital Region – in Easton and Stillwater, three 27-megawatt installations in the Mohawk Valley – in Mohawk and Pattersonville, and two 27-megawatt installations in the Southern Tier – in Willet and Greene.

The projects will support more than 500 jobs and represent more than $160 million of private investment that is expected to generate over $80 million in benefits to local communities and regions.  Those benefits will come to local landowners, property tax jurisdictions, and to local contractors who will provide ongoing operations and maintenance support for the projects.

The projects are the result of New York’s Clean Energy Standard, established in 2016 as well as 2019’s Climate Leadership and Community Protection Act.  These initiatives made commitments that 70% of the electricity consumed in New York would be generated by renewable energy sources by 2030. 

CS Energy has built over 150 megawatts of solar projects in New York to date.  By the end of this year, that number will be close to 500 megawatts.  CS Energy recently opened a regional headquarters in Albany to further support the company’s growth. The Goldman Sachs Renewable Power Group owns and operates more than 2.3 gigawatts of clean power across the country.

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Upstate New York’s first utility-scale solar projects set to come online this year

Photo, posted October 16, 2019, courtesy of Jonathan Cutrer via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Progress Towards Carbon-Free Power | Earth Wise

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Climate change has driven countries, states, utilities, and corporations to set goals to eliminate power-sector carbon emissions.  So far, 17 U.S. states plus Washington, D.C. and Puerto Rico have adopted laws or executive orders to achieve 100% carbon-free electricity over the next couple of decades.  Forty-six U.S. utilities have pledged to go carbon-free no later than 2050.   Adding these together, these government and industry goals cover about half of the U.S. population and economy.

New research from the Lawrence Berkeley National Laboratory has analyzed historical trends to determine how much progress the power sector has already made in reducing emissions.  The study focused on the 2005 Annual Energy Outlook from the U.S. government’s Energy Information Administration.

If the previous growth in emissions had continued from 2005 to 2020, annual CO2 emissions would have risen from 2,400 to 3,000 million metric tons.  But actual 2020 emissions fell to only 1,450 metric tons.  So, by this metric, the U.S. power sector cut emission by 52% below projected levels.

According to the study, total consumer electricity costs were 18% lower than projected values, but meanwhile, the number of jobs in electricity generation was 29% higher. 

Among the driving forces for these trends were wind and solar power dramatically outperforming earlier expectations, delivering 13 times more generation in 2020 than projected. 

The study shows that dramatic changes in emissions are possible over a 15-year span, but much has to happen over the next 15 years to ensure the progress required to meet the ambitious goals set for emissions reductions.

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U.S. Power Sector is Halfway to Zero Carbon Emissions

Photo, posted April 18, 2020, courtesy of Roman Ranniew via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

A Green Light For Commercial-Scale Offshore Wind | Earth Wise

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The Biden administration has given final approval to a project it hopes will usher in a new era of wind energy in the United States.  The greenlight was announced by the Department of the Interior on May 11.

The Vineyard Wind project intends to install up to 84 huge wind turbines about 12 nautical miles off the cost of Martha’s Vineyard, Massachusetts.  In total, Vineyard Wind could generate 800 megawatts of electricity, enough to power about 400,000 homes.  The construction project will create about 3,600 jobs.  The $2.8 billion project is a joint venture of the energy firms Avangrid Renewables and Copenhagen Infrastructure Partners.

The idea of a wind farm off the Massachusetts coast was conceived 20 years ago but ran into repeated setbacks, delays, and well-funded opposition from waterfront property owners concerned about what will ultimately be the barely discernable sight of tiny blips on the distant horizon.  The Trump administration moved to cancel the permitting process for Vineyard Wind, but the Biden administration revived the project in March as part of its greater efforts to tackle climate change.

Electricity generated by Vineyard Wind will travel via cables buried six feet below the ocean floor to Cape Cod, where they will connect to a substation and feed into the New England grid.  The project is expected to begin delivering wind-powered electricity in 2023.

The Biden administration says that it intends to fast-track permits for other wind projects off the Atlantic Coast and that it will offer $3 billion in federal loan guarantees for offshore wind projects and invest in upgrades to ports across the United States to support wind turbine construction.

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Biden Administration Approves Nation’s First Major Offshore Wind Farm

Photo, posted February 8, 2007, courtesy of mmatsuura via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Is U.S. Offshore Wind Finally Happening? | Earth Wise

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Offshore wind capacity has been growing rapidly in recent years, especially in Europe and China.  Globally, there is now more than 30 GW of offshore wind and industry experts predict that there will be well over 200 GW of installed capacity by 2030.

Meanwhile, the U.S. has only two small pilot projects, one with five turbines off Rhode Island and another with two turbines off Virginia.  But after many years of battles with determined opponents, false starts, regulatory struggles, and other hurdles, the U.S. offshore wind industry appears to be poised to take off.

A combination of significant commitments by power companies to purchase offshore wind power, strong support by the Biden administration, and billions of dollars in investments is creating the new-found momentum.

New York, New Jersey, Virginia, Massachusetts, Connecticut, Rhode Island, and Maryland have collectively committed to buying 30 GW of offshore electricity by 2035.  (That’s enough to power roughly 20 million homes).

Among the first major offshore installations to be completed in the next few years in the U.S. will be Vineyard Wind, 15 miles off of Martha’s Vineyard, another wind farm 60 miles east of New York’s Montauk Point, a third fifteen miles off Atlantic City, New Jersey, and a fourth off the Virginia Coast.

Offshore wind projects will create nearly 40,000 jobs just in the New York-New Jersey area over the next ten years.  There is still some opposition from elements of the commercial fishing industry and from some coastal residents.  However, with state and federal governments committed to reducing carbon emissions and rapidly reducing regulatory barriers, and with the price of offshore wind continuing to get lower and lower, most observers agree that the U.S. offshore wind industry is finally on the verge of really getting going.

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On U.S. East Coast, Has Offshore Wind’s Moment Finally Arrived?

Photo, posted August 9, 2016, courtesy of Lars Plougmann via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Solar Energy And Agriculture | Earth Wise

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According to a new study by Oregon State University researchers, co-developing land for both solar voltaic power and agriculture could provide 20% of total electricity generation in the United States with an investment of less than 1% of the annual U.S. budget.

The concept is known as agrivoltaics – using the same land for both growing crops and generating solar energy.  The proponents of agrivoltaics say that it provides more food, more energy, lower water demand, lower carbon emissions, and more prosperous rural communities.

According to the study, wide-scale installation of agrivoltaic systems could lead to an annual reduction of 330,000 tons of carbon dioxide emission in the U.S. – the equivalent of taking 75,000 cars off the road – and the creation of more than 100,000 jobs in rural communities.  All of this could be achieved with minimal effects on crop yields.

The study finds that an area about the size of Maryland would be needed for agrivoltaics to produce 20% of U.S. electricity generation.  That area of 13,000 square miles constitutes about 1% of current U.S. farmland.

The cost of the solar installations would be $1.1 trillion over 35 years and they would pay for themselves from the electricity generated within 17 years.  Installing the arrays would create the equivalent of 117,000 jobs lasting 20 years.

The researchers are going to install a fully functional solar farm on 5 acres of university owned land to demonstrate to the agricultural community and potential future funders how the study’s findings can be applied in real world agricultural systems.

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Combining solar energy and agriculture to mitigate climate change, assist rural communities

Photo, posted October 11, 2011, courtesy of Michael Coghlan via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Restoring Coastal Ecosystems | Earth Wise

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Research published by CSIRO, Australia’s national science agency, examined the positive effects of restoration efforts for coastal ecosystems in terms of biodiversity, local economies, and human wellbeing.

Coastal ecosystems include saltmarshes, mangroves, seagrasses, oyster reefs, kelp beds, and coral reefs.  All of these have suffered declines of up to 85% over recent decades.  The research identified a number of successful coastal and marine restoration projects in recent years that indicate the likelihood that such efforts could be expanded by as much as a factor of ten to support human health and wellbeing, boost the adaptation response to climate change, and generate jobs. 

Some of the successful efforts identified included projects in the Great Barrier Reef to harvest coral larvae to boost large-scale coral restoration efforts.   Simple changes to how saltmarshes are planted have resulted in doubled survivorship and biomass.  In the U.S., the propagation of seagrass seeds has resulted in seagrass meadows recovering in areas where they had been lost decades ago.  In Indonesia, recovery of reefs impacted by blast fishing has been achieved by placing rocks or other hard structures underwater to help with coral colonization.

Investing in coral restoration creates jobs and can be used as a strategy to boost economic recovery and coastal marine health.  Restoration of marine habitats like kelp forests and oyster reefs has improved commercial and recreational fishing.

The United Nations has recognized the importance of coastal restoration and has declared the Decade on Ecosystem Restoration to start from 2021.

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Scientists shine light on ‘bright spots’ to restore coastal ecosystems

Photo, posted November 29, 2012, courtesy of Robert Linsdell via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

The Largest Renewable Energy Project In The World | Earth Wise

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India has broken ground on what is planned to be the largest renewable energy project in the world:  a 30-gigawatt wind and solar power project in the state of Gujarat.

The renewable energy park will have two zones:  a 122,000-acre hybrid park zone that will accommodate 25 gigawatts of wind and solar power plants and a 57,000-acre zone entirely dedicated to wind power.  Multiple developers will be building the power plants in the hybrid zone.  A single company has been allotted the wind power zone.  The selected developers have to develop 50% of the total generation capacity in the next 3 years and finish the project in five years. The project is expected to create jobs for 100,000 people. Total investment in the project will be about $20 billion.

This is not technically a single standalone project but is rather an aggregation of multiple projects in a single general area.  Nonetheless, it represents the largest renewable energy development ever.  By comparison, the entire United States has a total of 50 gigawatts of installed solar power in large plants – which does not include any rooftop solar.  Total wind power capacity in the U.S. is a little over 100 gigawatts.  So, the 30-gigawatt Indian project is huge by any measure.

India already gets over 30% of its electricity from renewable sources, making it one of the largest renewable energy markets in the world.  The country has a goal of 60% renewable energy by 2030, amounting to 450 gigawatts of capacity.  This will require the country to double its already substantial renewable capacity in less than 10 years.  The Gujarat energy park will represent substantial progress towards that goal.

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Largest Renewable Energy Project In World Will Be 30 Gigawatt Solar–Wind Project In India

Photo, posted October 16, 2019, courtesy of Jonathan Cutrer via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

A New Problem For New York Apples | Earth Wise

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New York is the second largest apple-producing state in the country, trailing only Washington state.  New York averages nearly 30 million bushels of apples annually from approximately 600 commercial growers.  The apple industry supports 10,000 direct agricultural jobs as well as 7,500 indirect jobs involved with fruit handling, distribution, marketing and exporting.

Thus, there is considerable concern about the recent discovery by Cornell plant pathologists of a new fungal pathogen that causes bitter rot disease in apples.  They also found a second related fungus that is known to cause rot disease in other fruits but has now been found for the first time in apples.  The study was published in early July in the journal Scientific Reports.

Both of these pathogens belong to the genus Colletotichrum, which contains 189 species of fungi that cause devastating rot diseases in multiple fruit crops, including bananas, strawberries, citrus, avocados, papayas, mangoes and apples.

Unless protective measures are taken in a timely manner, apple losses from bitter rot in New York state can average up to 25% per year.  Some organic farms have lost essentially all of their crop at times.  Bitter rot also can destroy up to 5% of marketable fruit in post-harvest storage.

The Cornell study of samples from eight New York counties found both the Colletotrichum chrysophilum fungus, that had not been found in apples before, and a newly-discovered fungus that they named Colletotrichum noveboracense, after the Latin name for New York State.

The researchers plan to work with other plant pathologists and apple breeders to identify possible genes that confer natural resistance to Colletotrichum fungi that can be bred into apple cultivars.

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Scientists identify new pathogen in NY apples

Photo, posted October 12, 2018, courtesy of Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Turning Dead Trees Into Biomass Energy | Earth Wise

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California has suffered from numerous large wildfires in recent years.  The two largest in the past century took place in 2017 and 2018, and just these two alone burned nearly 750,000 acres, destroyed over 1,200 structures, and killed 24 people.

Apart from the fires, drought, the warming climate, and bark-beetle infestations have killed 147 million California trees since 2013, most of them along the spine of the Sierra mountains.  These dead trees represent a significant danger in forthcoming fire seasons as they threaten to burn with enormous intensity.

There are now biomass projects in California that thin trees in overcrowded forests and remove dead and diseased trees and turn them into wood chips to supply community biomass facilities that burn them to produce heat and electricity.

Proponents say these projects help rebuild rural communities by creating jobs, while at the same time reducing fire risk. 

There are critics of these programs who claim that they are damaging and destroying ecosystems.    They also point out that burning forest fuels emits 50% more carbon than burning coal and three times as much as burning natural gas.  This is true of biomass in general but is mitigated by the fact that it in principle the carbon can be recaptured by new forest growth.

However, the dominant argument about emissions is that wildfires emit far more carbon dioxide than biomass plants, or much of anything else, for that matter.  In 2018 alone, California wildfires released 50% more carbon dioxide than California’s entire industrial sector.  So, reducing the extent of wildfires is a big deal for many reasons.

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In California, A Push Grows to Turn Dead Trees into Biomass Energy

Photo, posted August 24, 2016, courtesy of the USDA via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

The Largest U.S. Solar Project | Earth Wise

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The largest solar project to date in the U.S. has received final approval from the Department of the Interior.   A $1 billion, 690-megawatt solar array will be built on federal land in the Mojave Desert in Nevada.   The project includes battery energy storage and is expected to produce enough electricity to power more than a quarter million homes.  It will also offset the greenhouse gas emissions equivalent to about 83,000 cars a year.

The current largest U.S. installation, the Solar Star Farm in Southern California, completed in 2015, generates 579 megawatts of power.

Construction of the Gemini Solar Array is expected to start sometime this year and be completed by 2022 or 2023.  The first phase of the project will cover 11 square miles of desert land about 30 miles northeast of Las Vegas.

Some conservation groups have fought against the project, saying that it will destroy thousands of acres of habitat for endangered desert tortoises as well as other rare plant and animal species.  The groups agree that solar energy is a good thing but are convinced that the location selected is the wrong one. 

Interior Department representatives note that the Gemini Project will provide jobs and economic growth at a time when many Americans in general and Nevada citizens in particular are struggling with the impact of the COVID-19 pandemic.

The project is projected to generate $713 million in economic activity and employ about 2,000 people during construction.  However, once it is up and running, it will employ just 19 full-time workers.

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The Largest Solar Project in the U.S. Gets Green Light

Photo, posted January 26, 2014, courtesy of Jannes Glas via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Last New York Coal Plant Closing | Earth Wise

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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.

WAMC Northeast Public Radio

WAMC/Northeast Public Radio is a regional public radio network serving parts of seven northeastern states (more...)