A drop in air pollution in India at the height of the coronavirus pandemic slowed the melting of snow in the Himalayas, a new study finds.

Faced with a drought of data concerning Appalachian drinking water quality and resulting health outcomes, researchers dug deeply to find what trickles they could.

Around the world, most people are regularly exposed to low or moderate levels of lead, cadmium and arsenic in the environment, increasing risk of coronary artery disease, stroke and peripheral artery disease, according to a new American Heart Association statement.

While this effect is far from enough to offset the effects of global temperature rise caused by human activity, the researchers, led by the University of Cambridge, say that small-magnitude eruptions are responsible for as much as half of all the sulphur gases emitted into the upper atmosphere by volcanoes.

Discussions of valuable but threatened ocean ecosystems often focus on coral reefs or coastal mangrove forests. 

One of the main reasons plants use water is to allow them to absorb carbon dioxide from the atmosphere.

Smoke particulates from wildfires could lead to between 4,000 and 9,000 premature deaths and cost $36 to $82 billion per year in the United States, according to new research by Cornell, Nanjing University of Information Science and Technology (NUIST) and the University of Houston.

The researchers, from the University of Cambridge, developed a solar-powered reactor that converts captured CO2 and plastic waste into sustainable fuels and other valuable chemical products.

About 47 million homes use natural gas or propane-burning cooktops and ovens. 

Smoke from intense wildland fires in Canada billowed over the upper Midwest in June 2023, causing hazy skies and hazardous air quality in Canada and across several U.S. states.