Trees release invisible gases that can create clouds, trap heat, and worsen pollution. Scientists are busy trying to unravel forests’ complex atmospheric contributions in a changing climate.
air pollution
Posted inEditors' Highlights
Dust and Marine Halogens Team Up to Destroy Tropospheric Ozone
Mineral dust-activated halogen chemistry is an important yet under-studied natural sink of the tropospheric ozone with implications for the Earth’s oxidative balance, crop yields, and human health.
Posted inScience Updates
The Ozone Paradox: A Growing Cost of a Warmer Atmosphere
Mexico City’s air is getting cleaner, but ozone levels near the ground aren’t decreasing as fast as expected. Climate change is partly to blame.
Posted inFeatures
Antimicrobial Resistance Is Killing Millions. Climate Change Is Making It Worse.
A growing body of evidence indicates that factors such as rising temperatures and extreme weather are contributing to what some researchers have called “the slow pandemic.”
Posted inNews
As the Coal Industry Fades, Life Expectancies in Coal Country Shift
Coal mining brings a slew of risks to communities, but “being employed is good for your health.”
Posted inEditors' Highlights
Amazon River Breezes Mimic Pollution in Clouds
Natural river breezes create clouds over the Amazon that mimic the signs of pollution, complicating climate impact assessments.
Posted inEditors' Highlights
Human Effects on Background Atmosphere have Affected Mercury Chemistry
Atmospheric mercury chemistry has evolved over time due to changes in atmospheric composition, especially for changing concentrations of bromine radicals, hydroxyl radicals, and ozone.
Posted inResearch & Developments
Power Plants Will Be Allowed to Release More Than Twice As Much Mercury Into the Air
At a 20 February event in Kentucky, the Trump administration announced plans to loosen pollution restrictions for coal-burning power plants, including limits on emissions of mercury, a hazardous neurotoxin.
Posted inResearch & Developments
The Endangerment Finding Is Lost
Tomorrow, the EPA will revoke the 2009 Endangerment Finding, finalizing a July proposal to do so, Press Secretary Karoline Leavitt said in a 10 February announcement.