Volcanoes in South and Central America
- Information and photographs of volcano activity.
- http://volcano.und.nodak.edu/vwdocs/volc_images/south_america/south_america.html

Guiana Shield Media Project
- 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]
- http://www.gsmp.org

Web Earthquakes: South America
- Provided by U.S. Geological Survey National Earthquake Information Center.
- http://cires.colorado.edu/people/jones.craig/EQimagemap/samer.html

South America Earthquake Map
- Shows how seismicity patterns build with time. Provided by USGS National Earthquake Information Center.
- http://www.eas.slu.edu/Earthquake_Center/FQHTML/samer.html

Amazon Watch
- 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.
- http://www.amazonwatch.org/