Geologists have uncovered strong evidence from Colorado that massive glaciers covered Earth down to the equator hundreds of ...

The world’s oceans – their temperature, chemistry, currents and life – drive global systems that make the Earth habitable for humankind. Our rainwater, drinking water, weather, climate ...

At the end of the last global ice age, the deep-frozen Earth reached a built-in limit of climate change and thawed into a ...

Scientists have studied global warming for more than 100 years ... produced from nearly every leading university and research institution on Earth—from Harvard to NASA and the US Department of Defense ...