Drifting Antarctic dunes reflect climate change
Thursday, August 18, 2011 - 11:00
in Earth & Climate
The greatest desert on Earth is not blazing hot but freezing cold: the icy wastes of Antarctica. Now scientists find the speed at which sand dunes drift across the ground of this frigid desert has tripled in the past 40 years — a finding that could shed light on everything from the planet's warming climate to deserts on Mars.