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.

This lesson plan introduces students to the water cycle by having them help draw a picture of a lake ecosystem and adding human impacts that affect water quality. Students will help fill in the components of a drawing of a water system. They will conclude by creating their own illustrations of human-induced changes to the freshwater habitat of a lake ecosystem. Full description.

This activity allows students to explore the roles of oil and water in the Middle East, especially in Iraq. Students will use maps to look at the distribution of oil in the Middle East and discuss what it means for the different countries in the region. They will also examine how water has influenced the region historically and politically. Finally, they will study specific aspects of Iraq's struggles ... Full description.

This page is part of a larger USGS project called Water Science for Schools. This section covers different water-use topics and categories of water-use. A Spanish translation is available. Full description.

The purpose of this activity is to observe the type and cover of clouds including contrails. Students observe which of ten types of clouds and how many of three types of contrails are visible and how much of the sky is covered by clouds (other than contrails) and how much is covered by contrails. Intended outcomes are that students learn how to make estimates from observations and how to categorize ... Full description.

Visitors can access information on a variety of water issues in Arizona, including the Colorado River, riparian areas, water conservation, water rights, and recreation. The Arizona Water Resources Research Center (WRRC) provides a glossary of water terms, a stream gauge map and a directory of water-related agencies and organizations, especially Arizona Project WET (Water Education for Teachers). Other ... Full description.

This is a comprehensive site that looks at many components of dams, including construction, destruction, and other issues. Access is organized into three levels by grade level. Information on cracks, case histories of the building and problems associated with some well known dams, and some real and imagined scenarios are included. Full description.

Supplemental to The World's Water book by Peter Gleick, this site offers data on the world's freshwater resources and uses. Tables and maps provide information on quantity and quality issues including data on access to safe drinking water; waterborne disease outbreaks; desalination capacity; as well as hydroelectric capacity and production. There is also a unique chronology documenting the historical ... Full description.

Surf Your Watershed is the Environmental Protection Agency's effort to provide a comprehensive center for geographically relevant information about drinking water regulations, drinking water publications, public water systems, ground water, and water quality and pollution issues. Resources include how to locate your watershed anywhere in the United States, state and tribal information, an index of ... Full description.

A learning activity for the "Do You Know That Clouds Have Names?" book in the Elementary GLOBE series. Students will explore the difference between the three types of contrails, make observations of contrails outside, and record their observations. Fifteen minutes later they will make follow-up observations to see how the contrails they observed have changed. The purpose of the activity is to help ... Full description.