The map shows the average annual temperature (January to December) for 2015 as it compares to the average annual temperature for the period 1895-2015, by NOAA Climate Division, in the contiguous Unite ...

The graph shows extremes in maximum temperature in the contiguous United States on an annual basis (January through December) from 1910 to 2015, and was generated by the U. S. Climate Extremes Index g ...

Summary: Land and marine managers can use this guidance document and spreadsheet tool to calculate numerical vulnerability scores for habitats. Scores indicate the degree to which various habitats may be vulnerable to current and future climate stressors.

Orcas . Mother and calf pair of orcas in the Ross Sea, near Antarctica. Source : . Wikimedia Commons. Image credit: Robert Pitman. Public domain. via Wikimedia Commons. Pag ...

Primary production refers to the abundance of plants on Earth—an indicator of the potential for capturing the sun's energy in complex molecules (sugars). This image shows primary production on land an ...

A wave breaking over a coral reef. Source : . U. S. Geological Survey. Photo credit: Curt Storlazzi, U. S. Geological Survey. Public domain, via Flickr. Page/s that contain this i ...

Every summer, Greenland's ice sheet melts when temperatures warm up. This year, however, saw the start of the ice melt season begin in April, much earlier than normal.

Guest blogger Amy Butler explains how changes in the stratospheric polar vortex can influence the "usual" effects of El Niño on the climate in the Northern Hemisphere.

Published : . November 2006. This report evaluates and synthesizes knowledge on climate variability, climate change, and increased ultraviolet radiation and their consequences for the ...

Published : . April 2006. This report, a Synthesis and Assessment Product from the U. S. Climate Change Science Program, addresses previously identified discrepancies between observat ...