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Electric Cars And Cleaner Air | Earth Wise

January 20, 2023 By EarthWise Leave a Comment

Electric cars can help clean the air

Cities are awash in microscopic soot and other pollutants from the tailpipes of vehicles.  Apart from contributing substantially to the warming of the planet, these emissions have a significant impact on human health.  Research at Cornell University has determined that the continued growth of electric cars will lead to cleaner air and reduced human mortality in most if not all U.S. metropolitan areas.

The study, published in Renewable and Sustainable Energy Reviews, estimated the health impact and consequential economic impact of cleaner air in American cities as a result of the transition to electric vehicles.

For example, by 2050, Los Angeles will have 1,163 fewer premature deaths annually, corresponding to $12.6 billion in economic health benefits.  Greater New York City could see 574 fewer deaths a year leading to $6.24 billion in associated economic gains.

Global sales of electric cars have grown steadily.  In 2016, they accounted for less than 1% of the market.  That share grew to 2.2% in 2018, 4.1% in 2020, and 6.6% in 2021.

In the U.S., electric cars accounted for 4.5% of sales in 2021, but in many cities, the numbers were much higher. 

These trends are likely to accelerate as a combination of government policies and major decisions by automakers drive a rapid transition to electrification.  While mitigating the effects of climate change continues to be the main driving force for that transition, the human health benefits will be a very significant reward for doing the right thing for the planet.

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Electric car sales drive toward cleaner air, less mortality

Photo, posted May 11, 2021, courtesy of Chris Yarzab via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

New York’s Polystyrene Foam Ban | Earth Wise

January 19, 2022 By EarthWise Leave a Comment

New York bans Styrofoam

As of January 1, the state of New York now prohibits any person engaged in the business of selling or distributing prepared food or beverages from selling, offering for sale, or distributing disposable food service containers that contain expanded polystyrene foam in the state.  In addition, no manufacturer will be allowed to sell, offer for sale, or distribute polystyrene loose fill packaging in the state.

In other words, there will be no more Styrofoam bowls, cartons, clamshell containers, lids, plates, trays, or packing peanuts.

There are still some exceptions.  Raw meat, seafood, poultry, or fish sold for the purpose of cooking or preparing off-premises can still be packaged in polystyrene foam.  Prepackaged food filled or sealed prior to receipt by a food service provider can also still be packaged in polystyrene foam.

The New York State Department of Environmental Conservation is initially focusing its efforts on outreach and education to achieve compliance rather than on enforcement.   The DEC has provided detailed regulations to assist stakeholders with complying with the law.

Expanded polystyrene foam is a major contributor to environmental litter.  The material breaks apart easily and does not readily biodegrade, causing it to be persistent in the environment and contribute to microplastic pollution.  The foam causes negative impacts to wildlife, waterways, and natural resources.

An estimated 65% of New Yorkers were already living in communities that banned polystyrene foam, notably including New York City and Long Island which imposed a ban in 2019. 

New York becomes the fourth state to impose such a ban after Maine, Maryland, and Vermont.  Colorado and Virginia will follow suit in the next two years.

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Expanded Polystyrene Foam Container and Polystyrene Loose Fill Packaging Ban

Photo, posted November 16, 2015, courtesy of Karim Ghantous via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

The Coastal Northeast Is A Hotspot | Earth Wise

November 16, 2021 By EarthWise Leave a Comment

Temperatures rising fast in the Coastal Northeast

Global warming is, obviously, a world-wide phenomenon.  When the concept of a 2 degrees Celsius temperature rise is discussed, it refers to the average global temperature and the effects that would have on such things as sea level rise and weather patterns.  But the effects of the changing climate are not homogeneous.  Very different things can happen and are happening in different places.

One such place is the coastal northeastern United States, which is a global warming hotspot.  The region is heating faster than most regions of North America and, indeed, 2 degrees of summer warming has already happened in the Northeast.

New research led by the University of Massachusetts Amherst has determined that this heating is linked to significant alterations in the ocean and atmospheric conditions over the North Atlantic.

Several studies have found that the Atlantic Meridional Circulation is slowing down.  The AMOC conveys warm, salty water from the tropics north towards Greenland, where it cools and sinks.  The cooled water than flows back south as deep-water currents.  As the warming climate melts glaciers in Greenland, the circulation slows down, less cooled water arrives in the south, and there is more heating of the ocean off the Northeastern coast.

At the same time, the North Atlantic Oscillation, a weather phenomenon that governs the strength and position of the winds that blow from the U.S. over the Atlantic, has tended to settle into a pattern that enhances the influence of ocean air on the eastern seaboard climate.  Warmer ocean air being blown over the region has led to rising temperatures in Boston, New York, and Providence, Rhode Island.

As the average temperature of the world rises, some places will warm more quickly and others more slowly.

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The Coastal Northeastern U.S. Is A Global Warming Hotspot

Photo, posted August 8, 2010, courtesy of Doug Kerr via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

The Spotted Lantern Fly Is A Big Problem | Earth Wise

October 27, 2021 By EarthWise Leave a Comment

The spotted lantern fly poses a big threat to agriculture

The spotted lanternfly is an invasive pest from Asia that arrived in the United States seven years ago.  It is a handsome and colorful insect, but it feeds on the sap of more than 70 plant species, leaving them susceptible to disease and destruction from other natural antagonists.  It destroys fruit crops, trees, and plants by hopping from plant to plant, crop to crop, and tree to tree.

Several states have established quarantines aimed at preventing the spread of the insects.  Pennsylvania, where they were first detected in the U.S., issued an Order of Quarantine and Treatment that imposes fines and even potential criminal penalties on anyone who intentionally moves a spotted lanternfly, at any stage of its life, from one sort of location to another.  The insects hop and fly only short distances, but they can hitch a ride on vehicles, clothing, and other objects that people bring with them.  They have now spread to at least nine states, primarily in the Northeast.

Lanternflies arrived in New York City last year and quickly made it to the Most Wanted List for environmentalists.  The City’s Parks Department says: “If you see a spotted lanternfly, squish it, dispose of it, and report it to us.”  New York’s Department of Agriculture has asked people in the Finger Lakes region, home of numerous vineyards, to collect specimens and provide specifics on where they were found.

Lanternflies are harmless to humans, but they threaten everything from oak, walnut, and poplar trees to grapes, almonds, and fruit orchards.  As the species continues to spread across the country, federal and state officials have a unified message:  if you come across a spotted lanternfly, kill it.

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Die, Beautiful Spotted Lanternfly, Die

Photo, posted August 30, 2018, courtesy of the USDA via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Coronavirus Shutdowns And The Environment | Earth Wise

May 11, 2020 By EarthWise Leave a Comment

coronavirus shutdown and the environment

Our stories often discuss how human activities change the natural environment.  With most of us confined to our homes, the lack of human activities is having profound effects on the environment.  We are talking about some of these this week.

The COVID-19 pandemic is a global catastrophe, but it has ironically been a boon for the environment.  By taking billions of people off the streets around the globe and slashing all forms of travel, the global environment has seen dramatic changes.

Sea turtles in many countries are prospering by not having to compete with humans for precious beach space.  Animals everywhere have more freedom to roam and are taking advantage of the opportunity. The Himalayas are visible from parts of India for the first time in decades.

Satellite imagery has shown dramatic drops in nitrogen dioxide emissions in China, where pollution from vehicles is a serious public health problem.  Similar reductions in air pollution are evident in India, Italy and even in Los Angeles.  The city that is notorious for its smog suddenly has pristine air.

In Venice, water in the canals has become clear in the absence of heavy boat traffic stirring up sediments from the bottom.  Wildlife that normally is invisible such as jellyfish are being spotted.

Not all the changes to animal behavior are desirable.  Some wildlife that have become dependent on humans as a source of food are becoming aggressive and are taking to the streets of cities to look for food.  Monkeys in Thailand are mobbing towns and brawling, hunting for things to eat.  Rats in New York City are fighting over suddenly meager food supplies.

In many ways, the natural world is reacting to much of humanity sheltering in place.

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On Earth Day 2020, coronavirus shutdowns are a gift to the environment

Photo, posted April 2, 2020, courtesy of Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Shutting Down Pollution | Earth Wise

April 8, 2020 By EarthWise Leave a Comment

coronavirus temporarily reduces air pollution

With much of the country shut down as the coronavirus forces people to stay at home, there has naturally been a drastic reduction of traffic on roads and highways.   And with that decrease, there has been a dramatic reduction in pollution as well.

A satellite that detects emissions in the atmosphere linked to cars and trucks has observed huge declines in pollution in major metropolitan areas such as Los Angeles, Seattle, New York, Chicago, and Atlanta.

Los Angeles is infamous for its rush-hour traffic but that has pretty much ceased to exist. Similar changes can be seen in the San Francisco Bay Area, where nearly 7 million residents have been ordered to shelter in place.  New York City is less dependent on car travel than in other metro areas, but the shutdown of office buildings, schools, and restaurants has nonetheless resulted in a substantial reduction of traffic on the streets of the city.

While this sudden decline in air pollution over U.S. cities has some near-term health benefits, those benefits are likely to be fairly minor in the big picture.  When the coronavirus outbreak subsides and people are allowed to leave their homes and go back to their normal lives, air pollution will most certainly rebound to previous levels.  In any event, studies have shown that long-term exposure to air pollution has a larger impact on public health than any transient events.

Having much cleaner air for a while is certainly a good thing, but this shutdown is not a sustainable way to reduce air pollution and the long-term effects of the coronavirus crisis will certainly not be positive.

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Traffic and Pollution Plummet as U.S. Cities Shut Down for Coronavirus

Photo, posted March 15, 2020, courtesy of Tom Collins via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Food Waste And Access To Groceries | Earth Wise

March 19, 2020 By EarthWise 1 Comment

access to groceries can reduce food waste and emissions

One-third of all food produced is wasted, which turns out to be a major contributor to carbon emissions.  Most of the carbon emissions associated with food waste are related to the production of the food.  Reducing waste would trickle through the supply chain over time and ultimately less food would be produced.

A study at Cornell’s SC Johnson College of Business looked at a particular strategy for reducing food waste’s environmental impact:  opening more grocery stores.

It turns out that the more stores there are, the lower food waste will be.  Cornell Professor Elena Belavina created a model that incorporates data from the grocery industry, the U.S. Census Bureau, and other academic studies.

When applied to Chicago, which is typical of many American cities, the model predicts that by adding just three or four markets within four-square-mile area, food waste would be reduced by 6 to 9 percent.  This would achieve an emissions reduction comparable to converting more than 20,000 cars from fossil fuels to electric power.  According to the model, not only would food waste be reduced, but so would grocery bills.  By trimming food waste and travel costs, consumers would spend up to 4% less.

Most big cities are well below their ideal density of grocery stores that would minimize food waste. When consumers can purchase perishable goods nearby, they shop more often but buy less each time.  There is less food sitting at home, so there is a much lower likelihood that food will spoil.

New York City, which has an abundance of produce stands and neighborhood markets, comes close to having the ideal density of markets.  Basically, the way to reduce food waste is to bring less groceries home.

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Better access to groceries could reduce food waste, emissions

Photo, posted March 22, 2009, courtesy of Nick Saltmarsh via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Should New York Build A Storm Surge Barrier?

December 6, 2019 By EarthWise Leave a Comment

In 2012, Superstorm Sandy’s storm surge combined with a high tide and buried lower Manhattan under 13 feet of water.  Across all five boroughs, subways, highways, and parking garages flooded and homes and businesses were destroyed.  Sandy caused nearly $20 billion in damages in New York City alone and more than 50 people died.

Ever since that disaster took place, there have been discussions about building storm surge barriers to protect the city from future storms.  Columbia University’s Sabin Center recently hosted an event to discuss the feasibility of building such barriers.

A study by the U.S. Army Corps of Engineers called the NY and NJ Harbor and Tributaries Focus Area Feasibility Study (HATS, for short) evaluates five options for coastal protection, which range in scope and price.

The most extensive option would involve constructing six miles of storm surge gates along with 26 miles of floodwalls, levees, and buried seawalls.  This option would cost $62 billion but could theoretically save $131 billion in damages and protect 95% of the study area.

The study also considers the side effects of building storm surge barriers.  These include environmental impacts such as effects on fish and wildlife, water quality, noise and vibrations, and changes in water flow.  While these effects can be quite serious and there is opposition from many quarters related to environmental impacts, others point out that there is really no other credible defense against storm surge.  The debate over whether or not to build storm surge barriers could easily last for many more years.

In the bigger picture, storm surge barriers do nothing to protect against rain-driven flooding, sea level rise, and tidal floods which continue to increase.

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Should New York Build a Storm Surge Barrier?

Photo, posted October 30, 2012, courtesy of Pamela Andrade via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

The Cost Of Rising Seas

October 1, 2019 By EarthWise Leave a Comment

Coastal cities in the United States are grappling with the need for extensive infrastructure projects to protect against rising seas and worsening storms.  The cost of these projects will be enormous, and it is unclear how to pay to them.

Boston has many neighborhoods in low-lying areas, and it is estimated that $2.4 billion will be needed to protect the city from flooding.  The city abandoned plans to build a harbor barrier that would have cost $6 to $12 billion because it was economically unfeasible.

Charleston, South Caroline needs $2 billion to reduce flooding that occurs regularly during high tides.  The Houston, Texas area needs $30 billion to provide protection against a 100-year flood.  Hurricane Harvey caused $125 billion in damages in Texas in 2017.  New York City is considering a $10 billion storm surge barrier and floodgates to shield parts of the city from rising waters.

Florida faces the greatest exposure to flooding with an estimated $76 billion in costs to address some of its problems.

At the federal level, multiple agencies represent potential funding sources, but none offer the kind of money required to address the need.  This places a heavy burden on state and local governments.  Various states have passed legislation related to shoreline resiliency and flood abatement, but relatively little funding has been approved.  Some bond measures have passed, but the totals are small compared with what is needed.

Educating people about the costs of not doing anything or not doing enough soon enough is essential.  As Hurricane Katrina demonstrated, not spending a large amount of money on resilience can result in having to spend a colossal amount of money on recovery.

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Who Will Pay for the Huge Costs of Holding Back Rising Seas?

Photo, posted December 26, 2013, courtesy of Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

The New York Climate Plan

July 24, 2019 By EarthWise Leave a Comment

New York lawmakers have passed a sweeping climate plan that requires the state to eliminate almost all of its greenhouse gas emissions by 2050.  The plan calls for the phase-out of gasoline cars and oil- and gas-burning furnaces and requires all of the state’s electricity to come from carbon-free sources.

The Climate Leadership and Community Protection Act requires the state to slash its carbon emissions to 85% below 1990 levels by 2050 and to offset the remaining 15% by other means such as removing carbon dioxide from the atmosphere.  The bill requires New York to get 70% of its electricity from renewable sources by 2030.

The challenges of reaching the program’s goals are daunting.   New York has so far only reduced its emissions by 8% since 1990.  The state currently does get 60% of its electricity from carbon-free sources – mostly hydroelectric dams and nuclear power plants – but it will require offshore windfarms, ramped-up solar installations, and battery storage systems to push the numbers dramatically higher.

Transportation, which is responsible for a third of New York’s emissions, will be particularly tough to tackle.  The Trump administration is rolling back federal vehicle efficiency rules and is trying to prevent states from setting stricter standards.  Currently, electric car ownership is primarily attractive for single-family homeowners who can plug in their cars at home.  Far more pervasive charging stations – for example, all over the streets of New York City – would be needed to make electric cars practical for everyone.

The plan aims for industries to bear most of the financial burden, but supporters say that the costs of not acting on climate will be vastly greater for businesses.  The plan’s deadlines for major emissions reductions are a decade away but there will be much to do quite soon.

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New York to Approve One of the World’s Most Ambitious Climate Plans

Photo, posted September 17, 2009, courtesy of Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Examining Sea Level Rise

January 17, 2019 By EarthWise Leave a Comment

It’s no secret that sea levels along the East Coast of the United States are rising.  But what’s less known is that the water isn’t rising at the same rate everywhere.  As the climate continues to change, some cities may remain dry while others struggle to keep water out. 

During the 20th century, sea levels rose about 18 inches near Cape Hatteras in North Carolina and along the Chesapeake Bay in Virginia.  During that same time period, New York City and Miami experienced a 12 inch sea level rise, while the waters near Portland, Maine only rose 6 inches.  According to a study recently published in the journal Nature, there’s an explanation for this. 

The variation is a result of a phenomenon called “post-glacial rebound.”  During the last ice age, huge sheets of ice once covered land areas in the Northern Hemisphere, including parts of the Northeast U.S.  The weight of the ice weighted down the land like a boulder on a trampoline.  At the same time, peripheral lands such as the U.S. mid-Atlantic coast rose up.  As the ice melted, the previously weighted-down regions rebounded while the peripheral lands began to sink.  While these ice sheets disappeared some 7,000 years ago, this see-sawing of post-glacial rebound continues to this day. 

Researchers combined data from GPS satellites, tide gauges, and fossils in sediment with complex geophysical models to produce this comprehensive view of sea level change since 1900.  While post-glacial rebound accounts for most of the sea level variation along the East Coast, researchers noted that when that factor is stripped away, “sea level trends increased steadily from Maine all the way down to Florida.”

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Why is sea level rising faster in some places along the US East Coast than others?

Photo, posted August 24, 2014, courtesy of Bill Dickinson via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Fumes From Gas Stations

November 15, 2018 By EarthWise Leave a Comment

https://earthwiseradio.org/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

Cloudbursts And New York City

November 13, 2018 By EarthWise Leave a Comment

https://earthwiseradio.org/wp-content/uploads/2018/11/EW-11-13-18-Cloudbursts-and-New-York-City.mp3

Cloudbursts are intense rainstorms that drop enormous amounts of water over a short period of time.  Climate change is expected to make cloudbursts occur more frequently.  Cities around the world are looking for better ways to cope with weather phenomena like cloudbursts. 

[Read more…] about Cloudbursts And New York City

Airports and Rising Seas

October 18, 2018 By EarthWise Leave a Comment

https://earthwiseradio.org/wp-content/uploads/2018/10/EW-10-18-18-Airports-and-Rising-Seas.mp3

There are many low-lying coastal airports around the world.  These airports are increasingly vulnerable to the rising sea levels and the more extreme weather brought about by climate change.  

[Read more…] about Airports and Rising Seas

Making Cities Cooler

September 5, 2018 By EarthWise Leave a Comment

https://earthwiseradio.org/wp-content/uploads/2018/08/EW-09-05-18-Making-Cities-Cooler.mp3

Cities are particularly miserable during heatwaves.   With lots of concrete and asphalt surfaces, they soak up lots of heat and re-radiate it.  Lots of tall buildings block cooling breezes.  Factor in car exhaust and heat from air conditioners and it all adds up to the urban heat island effect.  Cities can be several degrees warmer during the day and as much as 20 degrees warmer at night.  All of this extra heat is not just a comfort issue, it is a serious health problem.

[Read more…] about Making Cities Cooler

Cooling Cities With White Roofs

April 16, 2018 By EarthWise Leave a Comment

https://earthwiseradio.org/wp-content/uploads/2018/04/EW-04-16-18-Cooling-Cities-with-White-Roofs.mp3

The phenomenon of urban heat islands has been well known since the 19th century.  The materials from which city buildings and roads are made reflect much less solar radiation and absorb more of it than the vegetation they have replaced.  The absorbed energy is then radiated in the form of heat into the surrounding air making cities warmer.

[Read more…] about Cooling Cities With White Roofs

U.S. Offshore Wind Powering Up

February 26, 2018 By EarthWise Leave a Comment

https://earthwiseradio.org/wp-content/uploads/2018/02/EW-02-26-18-U.S.-Offshore-Wind.mp3

After many years of false starts and delays, the offshore wind industry in the U.S. finally seems to be gaining momentum.  According to the Department of Energy, more than 25 offshore wind projects with a generating capacity of 24 gigawatts are now being planned.  Most of these are off of the Northeast and Mid-Atlantic coasts.

[Read more…] about U.S. Offshore Wind Powering Up

Trends Influencing Our Cities

February 23, 2018 By EarthWise Leave a Comment

https://earthwiseradio.org/wp-content/uploads/2018/02/EW-02-23-18-Trends-Influencing-Our-Cities.mp3

The Environmental Protection Agency removed its information hub about climate change last year.  In response, 17 cities reposted the information on their own city government sites.  This is indicative of the fact that cities are increasingly taking on a leadership role in environmental, social and economic change.

[Read more…] about Trends Influencing Our Cities

Electric Cars For Real This Time?

August 29, 2017 By EarthWise

https://earthwiseradio.org/wp-content/uploads/2017/08/EW-08-29-17-Electric-Cars-for-Real.mp3

Electric cars have been around for a long, long time.  The first ones appeared in the mid-19th century.  Around the turn of the 20th century, they were popular for taxi cabs in places like New York City.  But within about 10 years, they mostly disappeared.  In the 1990s, electric cars had a brief revival with vehicles like the General Motors EV1.  But again electric cars mostly vanished.

[Read more…] about Electric Cars For Real This Time?

Whales In The Big Apple

July 12, 2017 By EarthWise

https://earthwiseradio.org/wp-content/uploads/2017/07/EW-07-12-17-Whales-in-the-Big-Apple.mp3

For the first time in a century, humpback whales have returned to the waters of New York harbor.   These are not rare sightings, either.  The whales are showing up in enough numbers that a company is taking tourists out into the harbor to see whales with a backdrop of Manhattan skyscrapers.

[Read more…] about Whales In The Big Apple

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