This site offers an introduction to sea turtle species and their behavior, including facts about nesting, incubation, and emergence as well as information about navigation and migration. Physical characteristics and classification are discussed, and information is available on habitat ranges and on threats and conservation. Full description.

This article describes ice worms (Mesenchytraeus solifugus) that live on glaciers in southern Alaska, the Coastal range and British Columbia, and in the Olympics and North Cascades as far south as Mt. St. Helens. Pictures of the ice worms and information on their habitat, physiolology, diet, and behavior are provided. Full description.

This El Nino site explains the abnormal warming of surface ocean waters in the eastern tropical Pacific and how it affects global weather, ocean circulation, and coral reef ecosystems. The activities involve wind direction and the Coriolis effect, global wind patterns, and cloud formation. There are sections comparing normal conditions to El Nino conditions and a video clip of the 1982-1983 El Nino ... Full description.

This portal provides access to a variety of educational and supporting materials for students and teachers of microbiology about the ecology, diversity and evolution of micro-organisms. Materials include information about microorganisms, extremophiles, and extreme habitats. There is also information about the Microbial Observatories (MO), research projects to study extremophiles and their environments ... Full description.

In this activity, students will assume the role of agronomists gathering and evaluating information about climate change and its possible effects on grasslands in western Nebraska and eastern Colorado. They will examine data related to temperature change, examine satellite imagery of Garden County Nebraska, and examine different varieties of grasses. They will then develop and present to the class ... Full description.

This national watershed education program is designed to involve young people in local environmental service projects. Visitors can download easy to follow Action Guides that show how to organize and carry out effective action-oriented water projects for youth groups or classes by learning about local watershed issues, investigating what needs to be done, enlisting the help of experts, and planning ... Full description.

This resource offers several avenues for students to evaluate environmental effects on water quality. The Bear Creek case study asks students to imagine they are owners of an environmental consulting firm who has been hired by a local catch-and-release campsite to find out why all the fish are dying, and come up with solutions to fix the problem. Biological, chemical and physical data for locations ... Full description.

This is an Environmental Protection Agency's (EPA) webpage for kids that deals with the ramifications of pollution, particularly runoff. The site has many components, which include a slide show for kids descibing microinvertebrates, word searches, a game about water quality, experiments that teach about the characteristics of water, resources for middle schoolers and links to the EPA's Water For Kids ... Full description.

The Teacher Pages feature news and events, instructional materials, projects, reference materials, and classroom activities for instruction in language arts, math, science, and social studies in the context of environmental education. Kids in grades 4-8 can learn about a wide selection of environmental topics, such as wetlands, endangered species, water and air quality, conservation, and invasive ... Full description.

This resource contains sections about aquatic ecosystems, groundwater, lakes, permafrost, properties of water, rivers, sediment, Canadian snowfall and glaciers, water and climate change, and wetlands. There are tables of the largest lakes and rivers in the world and typical river flows of Canadian rivers; illustrations of the hydrologic cycle, aquifers and wells; and descriptions of toxic chemicals ... Full description.