While the warm weather is in part exacerbated by this year's El Niño weather pattern, it's also a sign of what's to come as the climate warms. February marked the first time Earth warmed 1.5 ...

Early last year, global temperatures were being boosted by the natural El Niño weather pattern, where unusually warm surface waters spread across the eastern tropical Pacific. This releases extra ...

By Hiroko Tabuchi A conservative group is suing for emails of a law professor who helped create legislation to force oil, gas and coal companies to pay for climate damage. By Coral Davenport A ...

During the past billion years, the Earth's climate has fluctuated between warm periods - sometimes even completely ice-free - and cold periods, when glaciers scoured the continents. The cold ...