The Environmental Protection Agency will review the use of a chemical found in tires that has been linked with the deaths of salmon on the U.S. West Coast.

Biochar, a charcoal made from heating discarded organic materials such as crop residues, offers a path to lowering atmospheric carbon dioxide (CO2) at a time when climate scientists warn that urgent action is needed limit CO2 in the atmosphere.

Short-term increases in fine particulate air pollution (PM2.5) during the summer and winter months in a mountain valley region of Utah were associated with increased health care visits for heart attack and unstable chest pain; however, the risk for each cardiac event differed by season, according to a preliminary study to be presented at the American Heart Association’s Scientific Sessions 2023. 

Humans have raised the level of mercury in the atmosphere sevenfold, largely by burning coal, a new study finds.

Eruption activity escalated at the Klyuchevskoy volcano on Russia’s Kamchatka Peninsula in autumn 2023.

Mountains of used plastic bottles get thrown away every day, but microbes could potentially tackle this problem. 

Research establishes a natural baseline for mercury in the atmosphere by estimating emissions from volcanic eruptions.

Just like the land and the ocean, the atmosphere is marred by a variety of pollutants. 

The first widescale assessment of methylmercury in adult amphibians in the U.S. to date shows that, in amphibians, this toxic compound is common, widespread and, at least for some, can reach very high levels.

The approach directly converts the greenhouse gas into formate, a solid fuel that can be stored indefinitely and could be used to heat homes or power industries.