As awareness of climate change has grown, activists and policymakers have sought to drive global action to address the worldwide issue. Beginning in the 1960s, a blossoming environmental protection ...

A new study that explores ancient temperatures and rainfall patterns in the tropical Andes of South America has revealed how 16,000 years of climate history in this part of the world was driven by ...

Our species likes it cold. Homo sapiens evolved in — and still inhabits — one of Earth’s rare and fragile ice ages, periods distinguished not by an abundance of saber-toothed cats and woolly mammoths ...