Visitors to this non-profit site can access introductory information about wind turbines and the generation of electricity by wind power. For kids, there is an interactive tour of a wind turbine. For older learners, there is a tutorial that covers all aspects of wind energy. The site is available in several languages, including French and Spanish. Full description.

This press release summarizes the results of research on sediment cores taken from the subtropical Atlantic Ocean. Analyses of organic molecules from planktonic algae in the sediments indicates that large and abrupt temperature changes in warm areas of the ocean occurred at the end of the last glacial period. Full description.

The homepage of the Union of Concerned Scientists provides visitors with an overview of the science community's concern with environmental issues, energy policy, scientific integrity, and public health. Materials include news articles, reports, and suggestions for people who wish to become active in promoting these issues. Full description.

This article discusses the United States' increasing vulnerability to natural disasters because of population and infrastructure concentrations in disaster-prone areas. Topics include the high cost of earthquakes, hurricanes, and tornadoes, a discussion of the frequency and severity of these events, changes in population and wealth as measured by revenue, and ways to decrease hazard vulnerability. Full description.

This collection of visualizations was made from Landsat imagery. Many of these visualizations are designed to show changes in our environment through time. Subjects include glacial retreat, urban growth, landforms and coastlines, floods, fires, deforestation, volcanism, and others. Full description.

This document provides an extensive description of a strategy to deliver credible predictions of future atmospheric carbon dioxide levels based on improved understanding of dynamics in the Earth's carbon reservoirs (the land, air and oceans). Full description.

This site offers information about the mission of the R.V. Heraclitus, the research vessel of the Planetary Coral Reef Foundation, which began in 1995 and is expected to conclude in 2010. Expedition goals are outlined. These include gathering baseline information on the condition of selected reef ecosystems, supporting the monitoring and mapping of reefs using satellite technology, furthering knowledge ... Full description.

The Planetary Coral Reef Foundation was founded in 1991 to address the growing crisis of destruction of coral reefs. Topics include the PCRF's mission, its research activities at sea and in space, wastewater recycling, conservation tips that can help preserve reefs, and the organization's ship, R.V. Heraclitus. Full description.

Visitors to this portal can find links to a large selection of media outlets. The outlets include television networks, individual TV programs, broadcast news organizations, newpapers, magazines, and others for the United States and around the world. Themes in this list cover environmental and conservation issues. Full description.

This movie shows global seasonal variations in green leaf area index, sea ice cover, and snow cover on land. Full description.