Spanish content; this is the main page "Ecologistas en Accion" or "Environmentalists in Action" which works to promote environmental awareness and action in Spain.

Ecosystems is an excellent resource for understanding what an ecosystem is and goes on to explain the types of ecosystems, known as biomes. Check out the wonderful panoramic photographs of different biomes.

Access any one of thirty-six lectures from a biological sciences course, in audio, video, and text format. Coverage includes evolution, natural selection, the fossil record, the history of life on Earth, ecological communities,...

Interdisciplinary multimedia course, in thirteen units, on environmental science. Each unit encompasses a thirty-minute video, an accompanying textbook chapter, and an array of visuals and animations. With five interactive labs, a...

Question and answer site that contains a discussion of commensalism as it pertains to sea slugs. Nice photographs of aquatic commensalistic relationships.

This resource explains the purpose of certifying forest products from ecologically sustainable forests and sets the standards by which certifications are evaluated. Describes the diverse membership of the organization and its goals.

In this comprehensive website, students will learn about different forms of pollution, environmental impact of pollution, global warming, and things they can do to make a difference.

This is a lesson designed by a biology teacher. In it, students use maps and evidence of island age, molecular genetics, morphology, and distance apart to determine how the islands came to be occupied by different species of lizards. It...

An inquiry-based science unit for middle school students centered on how human activities affect environmental changes related to land use. The lessons integrate technology and lab activities while teaching about today's land use and how...

It is humans' responsibility to take care of the Earth's many ecosystems. Many of the daily things we take for granted - e.g., clean water and air, pest control, and protection from severe weather - are results of healthy ecosystems....

Through a series of multi-media learning activities, students will assess the dependence of all organisms on one another and the flow of energy and matter within their ecosystems.

A tutorial investigating how living organisms in an ecosystem are affected by environmental changes.

Promotes the benefits of maintaining a sustainable future for American forests. Outlines initiative to fight urban sprawl and its negative effects on the environment.

Across the state of Utah one will observe a variety of environments such as wetlands, desert, and forest. Here are several activities highlighting the many ecosystems found within one state.

Great photos and descriptions of the wildlife in the Galapagos Islands. There are also links to information on the natural history, environment, and geology of these islands.

Market-based regulatory programs designed by the EPA, with information for consumers and industry cap-and-trade policies, Clean Air Act, and other government-sponsored efforts to reduce air pollution.

A collection of links to activities and games about garbage, recycling, and waste management.

Learn about the Biosphere 2 project and the history of Biospherics.

This resource provides materials for teachers on a huge array of topics. Search site by topic, grade level, and desired output (such as lesson plan, case study, assessment or tutorial). Site is focused on earth science, geography, and...

This comprehensive page discusses the Asteroid Impact vs. Volcano-Greenhouse dinosaur extinction debate. It was written by paleontologist, professor, and scientist Dr. Dewey McLean.

This resource presents a lesson plan library which holds hundreds of lesson plans organized by grade level and subject area. Often rooted with an Internet research piece, each lesson plan contains specific objectives, procedures,...

Information and activities looking at the impact of industrial and agricultural practices on global warming.

In this video segment from Nature, see the value that sharks can have on the tourism industry in an area. [1:41]

Information and activities enhance student exploration of wildfire ecology and human interventions in Yellowstone National Park, and provide a background for land use management studies.