In the past, people trusted the seasons to come and go in a steady, familiar pattern. These cycles helped them grow food, celebrate festivals and plan their lives. But now, that rhythm is changing.

Don't say the c-word.

AMES, Iowa – Methane and nitrous oxide emissions that result from human activity make the terrestrial biosphere a net contributor of greenhouse gas emissions, according to a new study published in ...

A new study investigating ancient methane trapped in Antarctic ice suggests that global increases in wildfire activity likely occurred during periods of abrupt climate change throughout the last Ice ...

A new wave of climate research is sounding a stark warning: Human activity may be driving drought more intensely — and more directly — than previously understood. This article was originally published ...