Presents information and updates about ecosystems in the Pacific and Yukon Region. Includes environment reports, indicators, and reports on ecosystem science, monitoring, and research.

Nonpartisan think tank focusing on improving the scientific and economic foundation for environmental policy.

Provides images of and information about the different biomes of the world including freshwater and marine ecosystems.

United Nations initiative aimed at assessing the consequences of ecosystem change for human wellbeing. Also seeks to discover the scientific basis for the action needed to enhance ecosystem conservation and sustainable use.

Online resource offering information about five of the major world biomes. Includes news, links, and recommended readings.