A new study suggests the sun-climate connection is more complex than we thought — but it's too early to tell if the results will hold up.
La Nina conditions in the Pacific Ocean are likely to shape global weather patterns in the coming months. How might your region be affected?
The late Stephen Schneider take questions from climate skeptics; New study finds link between phytoplankton blooms and declining Arctic sea ice.
The extreme weather events we are seeing today, such as flooding in Pakistan and the Russian heat wave, are theoretically possible with or without climate change. But climate change greatly increases the odds that extreme events will occur.