Yan Zhao gestured toward the trees outside his campus window on a rainy afternoon.

The end of the last Ice Age also marked the end for more than three dozen genera of large mammals in North America, from mammoths and mastodons to bison and saber-toothed cats.

Organisms across the globe are facing unprecedented levels of stress from climate change, habitat destruction, and many other human-driven changes to the environment.

Large wildland fires burning around Yellowknife have prompted Canadian authorities to issue evacuation orders for the city and other nearby communities.

Today, hundreds of international scientists are sounding a clarion call for urgent expansion of Southern Ocean research in the emerging climate crisis.

A new in-depth analysis of sea ice motion in the fastest-warming part of the globe shows how Arctic Ocean sea ice responds to different ocean currents and reveals that the seafloor plays a crucial role.

Indoor air pollution may have met its match. 

With their abundance of sunlight, deserts are valuable locations to harness solar energy. But in addition to sun, deserts also have an abundance of dust which settles on solar panels and reduces their efficiency.

Biodiversity conservation delivers enormous global economic benefits, but net benefits vary widely for different groups of people - with international stakeholders gaining most, and local rural communities bearing substantial costs.

Earth’s rapidly changing climate is taking an increasingly heavy toll on landscapes around the world in the form of floods, rising sea levels, extreme weather, drought and wildfire.