This NOAA animation shows the locations of each of the 7,793 daytime and 7,493 nighttime records (or tied records) in sequence over the 31 days in March.
An amazing 26-second video depicting how temperatures around the globe have warmed since 1880.
As Dr. Heidi Cullen reports, the suffocating heat comes on the heels of the government's release of the new climate "normals". Every 10 years, scientists from the National Oceanic and Atmospheric Administration calculate the 30-year averages for temperature and precipitation from thousands of U.S. locations.
This year's Atlantic hurricane season is expected to be busier than usual and the 2011 summer forecast calls for some extreme weather. Heidi Cullen makes the climate connection.
In different parts of the American West, climate influences wildfires in unexpected ways.
With what feels like an especially long winter coming to an end, Dr. Heidi Cullen gives a climate outlook for spring 2011.
Dr. Heidi Cullen has a look behind the numbers of the just-released NOAA temperature analysis, and reports on the 2010 hurricane season as it passes the midway mark.
Some in Florida who lived through Katrina now are preparing for climate change-related disasters they fear could be more damaging than a hurricane.