Works with indigenous and environmental organizations in the Amazon Basin to defend the environment and advance indigenous rights in the face of large-scale industrial development. Provides news, campaigns, resources and contacts.

Information about the Guiana Shield, a geologically ancient, biologically rich and culturally diverse territory designated by geological formations in northeast Brazil, French Guiana, Suriname, Guyana, Venezuela and Colombia. [several languages]

Shows how seismicity patterns build with time. Provided by USGS National Earthquake Information Center.

Information and photographs of volcano activity.

Provided by U.S. Geological Survey National Earthquake Information Center.