Moisés Bertoni Foundation
- Works with Paraguayan and Indigenous groups in the areas of conservation of ecosystems, management of protected areas, environmental education, public policy issues, investigations and community development.
- http://www.mbertoni.org.py/

The Savior of "Green Hell"
- This article is about a Paraguayan congressman's effort to save the Chaco, South America's last great wilderness.
- http://www.pla.net.py/chaco/html/english.html

The Nature Conservancy
- This project is working with Paraguay's leading environmental organizations to protect the country's rich natural heritage, from the Arid Chaco to the lush Interior Atlantic Forest.
- http://nature.org/wherewework/southamerica/paraguay/

Improvement of the drinking water supply in the Paraguayan Chaco
- Article by The Federal Institute for Geosciences and Natural Resources.
- http://www.bgr.de/b1hydro/fachbeitraege/d199901/e_chaco.htm

ReliefWeb Paraguay
- Resource contains a list of the latest documents added to this organization's archive.
- http://www.reliefweb.int/w/rwb.nsf/ByCountry/Paraguay?OpenDocument&StartKey=Paraguay&Expandview

Energy Information Administration
- Paraguay has no known oil or gas reserves but is a major producer and exporter of hydroelectric power.
- http://www.eia.doe.gov/emeu/cabs/paraguay.html

Paraguay Environmental Profile
- Information provided by Unep.net about air pollution emissions, climatic conditions, water resources, forest cover and change statistics, and endangered and threatened species.
- http://www.unep.net/profile/index.cfm?tab=100&countrycode=PY&submit=Go

World Conference on Preservation and Sustainable Development
- International project sponsored by academic, research and conservation institutions and foundations for the purposes of elucidating more clearly the nature of the Pantanal.
- http://www.pantanal.org/