Standing in an aspen grove, surrounded by slender white trunks and a canopy of leaves that rustle in the slightest breeze, it’s easy to think only of the trees.

Positive tipping points must be triggered if we are to avoid the severe consequences of damaging Earth system tipping points, researchers say.

Research reveals a steady increase in the number of people at risk from tropical cyclones and the number of days per year these potentially catastrophic storms threaten health and livelihoods.

In 80% of African countries, moved toward rivers and into cities during drought, increasing the number of people living in flood-risk areas in recent decades, according to a new study.

Toxic chemicals produced from oil emissions and wildfire smoke have been found in muscle and liver samples from Southern Resident killer whales and Bigg’s killer whales.

The number of people affected by tropical cyclones has nearly doubled from 2002 to 2019, reaching nearly 800 million people in 2019, according to a new study.

An early summer heatwave swept over large parts of Australia on December 16-17, 2023, helping to fuel dozens of bushfires in New South Wales.

While the world has made significant progress in building systems that can alert people to extreme weather, many places still lack access to early warnings, a new report finds.

An international team of scientists has found the first direct evidence linking seemingly random weather systems in the ocean with climate on a global scale.

A winter wonderland calls to mind piles of fluffy, glistening snow.