Portland’s most dangerous climate future is not found in a single wildfire zone, floodplain or heat island. It is concentrated...

China’s vast campaign to expand tree cover has long been presented as one of the world’s most important nature-based responses...

Megacities are often portrayed as the ultimate challenge of the clean-energy transition: vast populations, dense construction, round-the-clock commerce and transportation,...

For decades, migration has often been explained as a response to poverty, conflict, climate hazards, or the search for jobs....

Cities around the world are declaring ambitions to reach net-zero emissions, but a new study suggests that the most important...

A new analysis of climate-neutrality plans from 103 European cities, including 22 national capitals, has revealed that urban decarbonisation strategies...

An international team of researchers has reconstructed how the body sizes of Europe’s ancient carnivorous mammals changed during the Paleogene,...

Artificial intelligence is transforming the way societies observe, predict and respond to dangerous weather—but a new analysis warns that the...

A new study is drawing attention to a challenge at the heart of the climate transition: how to improve the...

A powerful ocean circulation system that helps regulate climate may be unable to keep pace with rapidly changing conditions, even...