Visitors can access a variety of information on global warming, emissions and impacts of greenhouse gases, and what is being done to evaluate and remedy the effects of a changing climate. Interactive calculators are available online for assistance with estimating greenhouse gas emissions of specific activities and evaluating emission reduction opportunities. A searchable database by topic, information ... 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 EPA site is a small portal to a variety of groundwater and drinking education resources. Major topics include local drinking water, source water protection, drinking water standards, public drinking water systems and underground injection control. The Kids Stuff portion of this site has games and activities, kid's health, classroom activities and experiments, and a Spanish language section. There ... Full description.

The U.S. Environmental Protection Agency's watershed site is a comprehensive collection of materials on all aspects of watershed regulation and protection. Users can access introductory material on watershed protection approaches, regulations and policies, training materials and courses, funding information, publications, databases, and an outreach section with downloads and materials for kids. Full description.

This site provides information on the many aspects of the study of the sea surface from space. Measuring the ocean surface topography provides information for studying global ocean circulation and the oceans heat budget. Regular scanning of the ocean surface to maintain a database of ocean surface topography can help predict short-term changes in weather and longer-term patterns of climate. Educational ... 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.

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.

These resources include sections on the latest quakes, science project ideas, puzzles and games, online activities, a glossary, and cool earthquake facts. In addition, there is an Ask A Geologist section, and earthquake FAQs. One link leads to a teacher page with grade level topics and educational materials. Full description.

This guide to organisms and environmental issues of the Chesapeake Bay and Mid-Atlantic Coast addresses restoration and protection of bay habitats, bay grasses, harmful algae, bay monitoring efforts, and organisms that live in the bay. There is also education section that features materials for teachers, students and volunteers, frequently asked questions about the bay, and a set of links to related ... 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.