Latest Science

These United States: George Washington and climate change

On the evening of Christmas 1776, Gen. George Washington surprised the King's forces by leading the Continental Army in an unanticipated crossing of a near-frozen Delaware River. Environmental correspondent David Schechter looks at how Washington's watershed military maneuver dramatized both a changing America, and a changing climate.

Impact of climate change on Winter Olympics

The Winter Olympics in Milan need artificial snow due to climate change and warmer weather. Athletes say man-made snow makes terrain more difficult and unpredictable. Rob Marciano reports on its impact.

« Prev1Next »