Researchers have identified a "tipping point" about 2.7 million years ago when global climate conditions switched from being relatively warm and stable to cold and chaotic, as continental ice sheets ...

Current global climate models (GCMs) support with high confidence the view that rising greenhouse gases and other ...

One of the most pervasive misunderstandings of climate — even among some who publish on climate — is the belief that any long-term trend in a measured climate variable indicates a change in climate, ...

Scientists warn that unpredictable climate swings could bring mosquito-borne disease outbreaks years earlier than expected, urging governments to act now on surveillance and preparedness. Study: ...

Even when Earth was locked in a global deep freeze, its climate may have kept moving. Ancient rocks reveal seasonal and decade scale cycles beneath the ice during Snowball Earth.

Warming is occurring across most U.S. states, though the pace and type of temperature changes vary widely from region to ...

Scientists at the University of Southampton have uncovered evidence from ancient rocks that Earth's climate continued to fluctuate during its most extreme ice age—known as Snowball Earth. During the ...

Changes in external forcing, which can push Earth toward warming or cooling, could also be affecting recent GMST trends. It is well established that the long-term warming trend in the climate is ...

According to state climatologist Mary Stampone, climate change is making New Hampshire warmer and wetter. From hot to cold, rainy to dry, the weather in New Hampshire can change in the blink of an eye ...