A mysterious surge in planet-heating atmospheric methane in 2020 despite COVID lockdowns that reduced many human-caused sources can be explained by a greater release from nature and, surprisingly, reduced air pollution, scientists ...
Environment
Dec 14, 2022
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228
They come from factory stacks, car exhaust pipes and cruise liner engines. They are tiny particles and they are all around us. When we breathe in air, these particles settle in the small vessels of our lungs, and they make ...
Environment
May 24, 2023
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777
"It's a code red day for ozone." If you hear this on your local news, what does it mean? Are you at risk? Do you know what to do? An air quality alert like this informs the public about pollution levels in the air and advises ...
Environment
Jun 26, 2018
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13
As countries around the world race to mitigate global warming by limiting carbon dioxide emissions, an unlikely source could be making climate goals harder to achieve without even deeper cuts in greenhouse gas production: ...
Environment
Mar 10, 2021
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To prevent coral reefs around the world from dying off, deep cuts in carbon dioxide emissions are required, says a new study from Carnegie's Katharine Ricke and Ken Caldeira. They find that all existing coral reefs will be ...
Environment
Jun 28, 2013
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With coastal areas bracing for rising sea levels, new research indicates that cutting emissions of certain pollutants can greatly slow down sea level rise this century.
Environment
Apr 14, 2013
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China has passed a law that levies taxes on pollution, but ignores carbon dioxide, one of the major contributors to global warming, according to the web site of the country's highest legislative body.
Environment
Dec 26, 2016
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Carbon dioxide measured at NOAA's Mauna Loa Atmospheric Baseline Observatory peaked for 2022 at 421 parts per million in May, pushing the atmosphere further into territory not seen for millions of years, scientists from NOAA ...
Environment
Jun 3, 2022
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It's a simple question that sounds a little like a modest proposal: "Should we cut down all the oak trees?" asks Tom Sharkey, a University Distinguished Professor in the Plant Resilience Institute at Michigan State University.
Environment
Oct 5, 2023
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157
Big cities like New York, London and Shanghai send less pollution into the atmosphere per capita than places like Denver and Rotterdam, said a study released Tuesday.
Environment
Jan 26, 2011
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