Maps illustrating American climate change beliefs, risk perceptions, and policy support across the country.

This page contians reports, assessments, federal research on global changes in the environment and implications for society. In addition it contains comprehensive links to every dataset used in the Third National Climate Assessment.

Formerly called the National Climate Data Center (NCDC), this site is the place to go if you need climate data, including precipitation, temperature, and other measures.

Web site with links to information on hurricanes, temperature extremes, tornadoes, etc.

Annual summary of storm events 1950+ in the United States.

Provides comma separated value (.csv) files for tornado, hail, and damaging wind data as compiled in Storm Data. Tornado reports exist back to 1950 while hail and damaging wind reports date from 1955.

Introduction to hurricanes and discussion of climatology. Graphs on hurricane activity in the Atlantic Basin and landfalling hurricanes in the United States.

Hurricane data from past track maps, climatology of past hurricane seasons, and "storm wallets" for every tropical cyclone since 1958 in the Atlantic and 1988 in the eastern north Pacific.

Recent tornado reports and information, historical records and trends, data on Tornado Alley and deadliest tornadoes.

Datasets on the Earth's cryosphere, including permafrost, soil moisture, brightness temperature and more. Includes raw data, maps, and satellite images.

Data repository for the Japanese Antarctic Research Expedition as well as data for the international polar year 2007-2008.

Uses historical climate and emissions data in conjunction with data on recent climate negotiations. Historic, current, and business emissions, global forest data. Use Google public data explorer to compare country or region emissions with socio-economic indicators.

Provides links to the latest repositories of greenhouse gas emissions. Include greenhouse gas report submissions from all countries participating in the Kyoto Protocol.

Contains monthly mean temperature, pressure, precipitation, vapor pressure, and sunshine for ~ 2000 surface data collection stations worldwide and monthly mean dew point depressions, upper air temperatures, and wind Velocities for ~500 observing sites.

Navigate to World Climate Data and Monitoring Programme to access extensive datasets on categories from aerosols to glaciology.

Data on climate indicators: temperature, carbon dioxide, snow, sea level, arctic sea ice, ocean heat, sun's energy, glaciers, and heat-trapping gases. Provides reusable climate data maps, GIS data locator, and state specific climate trends. Also has comprehensive guides from measuring and processing climate data to visualizing and using climate data in research.

USFS interactive climate data including sections on drought, vulnerability, adaptation, and more.

Satellite data for indicators of pollution, emissions, and climate change.