Materials here focus on worldwide water issues and policy decisions, and discussions of ongoing projects involving conservation, drought mitigation, and solutions for small landholders. A set of tools and databases is available for evaluating irrigation results, developing scenarios for water and food supply policy decisions, and evaluating the health of fresh-water ecosystems. This site is sponsored ... Full description.

Visitors can find answers to frequently asked questions regarding sea level and sea level changes. Topics addressed include how mean sea level is defined, how much sea level would rise if all the world's ice were to melt, differences in sea level between oceans and at different latitudes, the meaning of altitude above sea level, and others. Full description.

This site explores the plant and animal communities that exist within an estuary. Specifically, it examines the planktonic, pelagic, benthic and intertidal communities, and focuses on organisms that are characteristic of the community, how scientists investigate these organisms, and why such organisms are important to the biological community of estuaries. Additionally, the site provides specific ... Full description.

This site is a US Global Change Research Program Seminar, dated 23 November 1998. It consists of a series or reports that help students to understand how water has been used to transform desert regions into productive and livable environments. Full description.

This article from Agriculture21 cites the management practices and policies that will be necessary to avoid water crises in the coming three decades. There are links to information on raising water productivity, improving irrigation technology, and modernizing irrigation management. The text is available in English, French, Spanish, Arabic, and Chinese. Full description.

Visitors to this site can review Canadian water policy and legislation for both provinces and federal government. Topics include the nature of water, water policy and legislation, water management, water and culture, and links to information and services (a glossary, news articles, and a teachers' corner). A French translation is available. Full description.

This resource includes a classroom activity, background information and a set of temperature and surface pressure data from the Pathfinder Lander. Students analyze data on temperature and pressure graphs from the first 30 days of the Pathfinder Mission to determine whether water could have existed under these conditions. A set of 15 images is also available, which can be reproduced on a photocopier ... Full description.

This information about the Lunar Prospector mission to the Moon discusses the possibility that ice exists on the lunar surface. The article indicates that no native water ice has been found on the moon. If ice has been found, it most likely originated from meteors and meteorites which periodically bombard the lunar surface. Full description.

Sound Health 2001 highlights water quality conditions, the status of living organisms, trends in land use and development, and other indicators of environmental health for Long Island Sound. Materials presented here address the following questions: Are the waters and sediments getting cleaner?, Are fish and wildlife populations more abundant?, Are fish and wildlife habitats being protected and restored?, ... Full description.

NeMO studies the dynamic interactions between submarine volcanic activity and seafloor hotsprings at an observatory called Axial Seamount. The research activities at NeMO provide an extraordinary educational opportunity, both from the daily reports from expeditions at sea and from creative learning materials based on NeMO results. The site features curriculum materials designed for high school and ... Full description.