Earth | Science News

ADVERTISEMENT

MISSION CRITICAL

Support credible science journalism.

Subscribe to Science News today.

Earth

Topic Image Rail

Jakobshavn Glacier in western Greenland

RETREATING ICE  Jakobshavn Glacier in western Greenland (its front edge, where ice is calving into the ocean, shown here in 2012) is one of the world’s fastest-shrinking glaciers. A new U.S. report increases projections of average global sea level rise due to accelerating ice sheet melting if greenhouse gas emissions continue unabated.

meteorite impact

IT’S A GAS  When a massive meteorite slammed into Earth 66 million years ago, it vaporized rocks, sending up enough climate-changing gases to spark mass extinction.

the Totten ice shelf

MELT ZONE  The Totten ice shelf (shown here) holds back a massive glacier, which drains a France-sized portion of East Antarctica and could raise sea levels by at least 3.5 meters if it slides into the sea.

Subscribe to RSS - Earth