In a Feb. 24 Oval Office meeting, two of President Obama’s top climate advisers presented these sharply-contrasting images of California’s snowpack on Jan. 13, 2013 and a year later, as a way to underscore how global warming is changing conditions on the ground in the United States. Move the slider bar left or right to compare the two images. Read related article. Jan 13, 2013  Jan 13, 2014  SOURCE: NOAA. GRAPHIC: Patterson Clark - The Washington Post. Published May 4, 2014. Source: washingtonpost.com |