World governments agreed in the late 1980s to protect Earth’s ozone layer by phasing out ozone-depleting substances emitted by human activities, under the Montreal Protocol.

The remnants of Hurricane Larry dropped abundant snowfall on Greenland just as the summer melt season was coming to an end.

Anthropologists David Holmberg and Kathryn March will receive the 2021 Sir Edmund Hillary Mountain Legacy Medal for their many decades of friendship and assistance to Nepal, and for their leadership in educational exchange programs between Tribhuvan University and Cornell University.

Sometimes, doing things close to home may be more feasible than doing them on a grand scale, even if they cost a bit more. 

So many climate models, so little time … A new way of measuring ocean temperatures helps scientists sort the likely from unlikely scenarios of global warming.

Urbanization trends in the Himalaya are exposing more people to risk from compound hazards such as flooding, landslides and wildfires, a new study published in the journal Science of the Total Environment has found.

A decades-long study of voles on the Norwegian archipelago of Svalbard is offering insights into a longstanding puzzle of Arctic ecology---effectively, what drives the well-established population cycles of small Arctic mammals, such as voles and lemmings.

This figure only includes light visible via satellites, and scientists estimate the true increase may be significantly higher – up to 270% globally, and 400% in some regions.

Plastic microparticles are ingested by a range of animals, including large vertebrates, and can deteriorate water quality. However, little is known about how human activity affects the concentration of microparticles in lakes.

New research will help mining companies better understand the negative societal and environmental impacts of mine-waste disasters, known as tailings flows, and hopefully avoid them.