A new study shows that people who do vigorous physical activities, like jogging or playing competitive sports, in areas with higher air pollution may show less benefit from that exercise when it comes to certain markers of brain disease.

While climate change is the primary driver of permafrost degradation in Arctic Alaska, a new analysis of 70 years of data reveals that tundra fires are accelerating that decline, contributing disproportionately to a phenomenon known as “thermokarst,” the abrupt collapse of ice-rich permafrost as a result of thawing.

Across the U.S., road crews dump around 25 million metric tons of sodium chloride — much like table salt — to unfreeze roads each year and make them safe for travel.

There is growing public awareness that climate change will impact society not only through changes in mean temperatures and precipitation over the 21st century, but also in the occurrence of more pronounced extreme events, and more generally in natural variability in the Earth system.

Because plants take up carbon dioxide from the atmosphere and convert it into food, forests and other similar ecosystems are considered to be some of the planet’s most important carbon sinks.

Not to pile on, but winter is coming and the COVID-19 pandemic is about to get worse.

Methane, which produces more warming than other greenhouse gases and is the subject of newly announced U.S. emission restrictions, is hard to break down and keep out of the atmosphere.

Measuring plant phenotypes, a term used to describe the observable characteristics of an organism, is a critical aspect of studying and improving economically important crops.

For some, visions of a future powered by clean, renewable energy are clouded by fears of blackouts driven by intermittent electricity supplies.

This past hurricane season was a pretty nasty one. With 21 storms from June 1 to November 30, for the second year in a row the National Oceanic and Atmospheric Administration ran out of names on their official list and had to swap over to a backup.