This article on the strategic importance of water in the Middle East includes maps of the region and descriptions of the water sources, and addresses pollution sources, sources of present and past conflicts, and suggestons for solutions. Countries included in the report are Egypt, Suda, Ethiopia, Saudia Arabia, Turkey, Syria, Jordan, Israel, and the Palestinian Authority. Full description.

This portal provides a variety of information about environmental protection and regulation on tribal lands. It includes links to program offices, tribal contacts and grants, policies and initiatives, water management and quality, and publications. Full description.

This interactive map depicts real-time steam flow compared to historical stream flow for selected gauging stations in the United States and Puerto Rico. Users may select a state and choose a list of all stations in the state, a state map, or a list of the nearest stations. The map tracks short-term changes (over several hours) in rivers and streams. Its appearance may change very little from one hour ... Full description.

Robowell is an automated process for monitoring selected ground-water-quality properties and constituents. It was developed to provide a cost effective monitoring system that met protocols expected for manual sampling. Users have access to real-time water quality data. There are also links to other water quality sites. Full description.

This resource ties together physical and biological aspects of ocean color for high school students. Specific sections discuss life in the oceans, the appearance of the ocean from space, phytoplankton (the little link in a big food chain), carbon (where does it go?), and the Earth as a giant greenhouse. There are also activities that accompany these lessons. 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.

BASIN is a local community service network offering public access to environmental information. BASIN's initial focus is on water in Boulder County, CO: where it comes from, goes to and how it is used. Watershed, recreation, precipitation, personal action, and community uses are major focuses in this site. Full description.

The database includes 150 water related treaties and 39 US compacts. The International Treaties and Compacts section is searchable by nation, basin, issues, conflict resolution mechanisms, non-water linkages, and date. US Compacts are searchable by state, basin, focus and date. For all treaties or compacts there is a summary of the agreement, the parties involved, allocations if applicable and other ... Full description.

Visitors can access an alphabetic index to a large variety of fresh water-related materials on water quality, usage, laws and regulations, flooding, and ecosystems. Information resources include educational materials and a "Teachers' Corner" with booklets, activities, and fact sheets are available for teachers and are ranked according to educational level. This site is sponsored by Environment Canada, ... Full description.

This is a web-based activity using satellite images of the Gulf of Maine and the Carribean Sea. Students are asked to examine satellite data of sea surface temperatures. From this data they are to determine the temperature scale and how temperature differences are indicated. They also examine phytoplankton density images to determine where high phytoplankton densities are. Additional activities are ... Full description.