Scientists disagree whether human-made climate change or natural fluctuations are mostly to blame for worse-than-expected heat in recent years ...

Physical inactivity rises alongside temperature. A study in Lancet projected up to 520,000 additional deaths by 2050 and $2.59 billion in annual productivity losses.

This puts us on a collision course with the climate’s tipping points, said Stefan Rahmstorf, an author of the study and head ...

People quickly normalize extreme weather. Simple visuals highlighting abrupt change could help climate change break through our mental blind spots.

Planting billions of trees may help fight climate change, but new research shows that where trees are planted matters more ...

Meteorologists are reaching for superlatives to describe an oncoming heat wave so intense and rare for this time of year that it could leave some locations shattering their all-time temperature ...

The story of a wildflower that adapted to a severe drought in California raises hopes that evolution will come to the rescue ...

Governments' attempts to achieve climate goals are falling short, in large part because wealthy economies are continuing to ...

Global temperatures and rain patterns are affected by a climate phenomenon known as El Niño/La Niña.

King penguins are adapting to climate change in a way that seems to help them breed successfully, which is unusual.

By 2050, scientists expect higher temperatures to make people less active. This could harm human health and the economy.

Meteorologists say the United States is getting hit by almost every kind of extreme weather at once, as spring air masses collide and the jet stream twists.