The new estimates can help health researchers determine potential connections between lithium exposure and human health outcomes.

Emissions of nitrous oxide, the third most important human-made greenhouse gas, rose 40 percent from 1980 to 2020, according to a new report by the Global Carbon Project.

Coastal Alaska communities from the Yukon-Kuskokwim Delta northward will see more of their buildings exposed to flooding by 2100 if they continue developing at the same location, according to new research.

An early summer heat wave brought exceptional warmth to the Southwest in June 2024.

Urban green spaces may be harmful despite tree cover providing some protection. 

A new study finds that more than 50,000 Californians died from exposure to wildfire smoke over a little more than a decade.

Beginning annually on June 1, hurricane season poses a major threat to Texas coastal communities, causing both physical and financial damage to the areas they hit.

Chocolate lovers may have been alarmed by a 2023 Consumer Reports finding that some dark chocolate brands could contain harmful levels of lead and cadmium.

Late last year federal officials discovered the carcass of a mule deer buck near Yellowstone Lake in a remote region of Yellowstone National Park.

New research from the University of Illinois Urbana-Champaign has linked multiple types of per- and polyfluoroalkyl substances (PFAS, also known as “forever chemicals”) with increased risk of cardiovascular diseases in postmenopausal women.