The vegetation in northern high latitudes was likely dense forest before cooling temperatures transformed it into grassland during the Late Miocene —a shift that further accelerated global cooling.

Introduction / George Ohring -- Paleoclimate / Patrick J. Bartlein, Steven W. Hostetler and Jay R. Alder -- Current climate and recent trends / Kelly T. Redmond and John T. Abatzoglou -- Satellite ...

An aerial of Toronto city skyline, Ontario, Canada. In the United States, climate ambition is increasingly becoming a state-by-state affair. Since the Trump administration rolled back federal climate ...

Mechanism Schematic of North American teleconnection to Asian summer monsoon. North American continent creates a heating center in summer. This then creates atmospheric ripple effects, which ...

Across continents, half of odonate species shifted both ranges and phenologies in response to climate warming, with southern species and those experiencing less temperature variability shifting ranges ...

Is air rewriting the rules of climate science? NASA’s announcement last week of an atmospheric shift over North America is generating heated debate among climate scientists and meteorologists. It’s ...

Newcomers to the seemingly endless grasslands that once spanned approximately a quarter of North America often hit a psychic wall, descending into fits of mania. Prairie madness, as the phenomenon ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. When people think of lions, the image that comes to mind is ...