The following links lead to organizations that focus on addressing environmental issues on a global scale.

• Earth Trends, The Environmental Information Portal - by World Resources Institute - 10 environmental topics with maps, data files and searchable databases.
• Environment: A Global Challenge - On-line learning and resources for teachers and students
• Green Brick Road - wonderful site for environmental resources around the globe, plus how to make the school yard an exciting laboratory!
• North American Association for Environmental Education - NAAEE
• River of Words - An international art and poetry program for youth
• World Resources Institute - educational resources and curricula on global environmental issues
• World Wildlife Fund