This site offers information on many aspects of water, including text, pictures, data, maps, and an interactive center where users can offer opinions and test their water knowledge. Main topics include: water basics, Earth's water, water use, and special topics such as acid rain, saline water and other water-quality issues. Links to other water-related sites are also provided. Full description.

Visitors can access general information on the greenhouse effect, how it works, and what impact human-produced emissions are having on the global climate. Materials presented here include discussions of the potential impacts of climate change, actions being taken to mitigate the effects, news articles and publications, tools for estimating emissions and calculating the benefits of reduction strategies, ... Full description.

This is part of the U.S. Geologic Survey's Water Science for Schools website. It consists of a set of links to other parts of the site dealing with groundwater-related topics such as groundwater flow and distribution, trends in groundwater use, importance of groundwater, and groundwater quality. Graphic illustrations and photographs are provided. Full description.

Geomorphology from Space is an out-of-print 1986 NASA publication designed for use by the remote sensing, science, and educational communities to study landforms and landscapes. Users can access a gallery of images consisting of 237 plates arranged by particular types of landforms such as tectonic, volcanic, planetary, and others. Photographs, locator maps, and sometimes a geologic map accompany the ... Full description.

This learning system provides a variety of materials on Earth and space sciences, such as images, movies, animations, and data sets. Students, teachers, and the general public can access information on the sun and space weather, astronomy, our planet and solar system, current space missions, space-related mythology and art, and geology. For teachers, there are links to tools for navigating the site, ... Full description.

This is the outline for a course that uses natural resources management as a basis for learning Earth Science principles and skills. Students will develop and apply their scientific literacy by studying the interrelationship of humans to Earth's interior, land, sea, air, and space. The course features six sections: foundations, space and Earth, the atmosphere, the oceans, internal processes and products, ... Full description.

This document explores the physical and chemical component of the Maryland Chesapeake Bay Water Quality Monitoring Program. Users can study how this program emphasizes water quality as a function of nutrient levels, dissolved oxygen, and water clarity. An interactive map allows the user to select a river basin and view status and trends for analyzed water quality parameters. Full description.

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.

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.

Approximately one-third of the Earth's land surface is desert, arid land with meager rainfall that supports only sparse vegetation and a limited population of people and animals. Deserts are also fragile environments. The misuse of these lands is a serious and growing problem in parts of our world. This web page, produced by the U.S. Geological Survey, describes how deserts are defined and classified. ... Full description.