NASA: Climate change, how do we know?

Contact your local meteorologist and ask them to make a commitment to raising awareness about the consequences of climate change.

In 1950, U.S. record breaking hot weather days were as likely as cold ones. By 2000, they were twice as likely, and in 2011 they are three times more likely, so far. By the end of the century they will be 50 times more likely.

Jerry Meehl, National Center for Atmospheric Research

Contact your meteorologist

American Meteorological Society's Statement on Climate Change

There is unequivocal evidence that Earth’s lower atmosphere, ocean, and land surface are warming; sea level is rising; and snow cover, mountain glaciers, and Arctic sea ice are shrinking. The dominant cause of the warming since the 1950s is human activities.

Full Statement on Climate Change from the AMS