[Free Registration/Login may be required to access all resource tools.] Presents the way geothermal energy is harnessed and some of its benefits and costs. Downloadable resources are also available.

[Free Registration/Login may be required to access all resource tools.] Studies the effects of altitude and mountain ranges on weather and climate.

[Free Registration/Login may be required to access all resource tools.] Compares and contrasts the short-term phenomenon of weather with the long-term average of weather, otherwise known as climate.

[Free Registration/Login may be required to access all resource tools.] Looks at how El Nino and La Nina affect the climate.

[Free Registration/Login may be required to access all resource tools.] Describes some factors that lead to long-term climate changes.

[Free Registration/Login may be required to access all resource tools.] Discusses the impacts of hazardous waste on the environment and human health, and the provisions of the Superfund Act.