This collection of radiation budget, cloud, aerosol, and tropospheric data from the Langley Research Center of the National Aeronautics and Space Administration (NASA) contains recent and archival data sets. The data are...

The transport and transformation of substances in the environment are known collectively as biogeochemical cycles. These global cycles involve the circulation of elements and nutrients that sustain both the biological...

This site by the University Corporation for Atmospheric Research (UCAR) provides an overview of the earth's atmospheric "greenhouse effect." Diagrams and one short video help present the key ideas. Two related activities...

The University of Alabama in Huntsville created the Earth System Science Center (ESSC) "to encourage interdisciplinary study of the Earth as an integrated system across traditional boundaries." This website offers...

This unit introduces younger students to the concepts of weather and climate. Topics include the structure of the atmosphere, the definitions of weather and climate, and temperature and how it is measured. There are also...