When it comes to distinguishing between weather and climate, weather generally covers short and specific timeframes and locations, while climate focuses on trends and statistical ups and downs over ...

The large-scale Pacific Ocean climate patterns that help steer weather patterns around the globe are shifting yet again.

Simon Stiell, executive secretary of United Nations Framework Convention on Climate Change (UNFCCC), left, and Fernando Haddad, Brazil's finance minister, during the preparatory ministerial meeting ...

A warming Arctic can stretch the polar vortex, a high-altitude air ribbon, one says. The “wobble” can disrupt the jet stream, ...

Nora Apter is the Oregon director for Climate Solutions, a regional nonprofit that advocates for climate policy. She joins us to talk about what lawmakers did – and didn’t – pass in terms of climate ...

Mr. Pope is a clean energy policy adviser to several foundations and was the executive director of the Sierra Club from 1992 to 2010. In my 50 years in the environmental movement, the decision I most ...