Malpelo Foundation
- Organization supporting biodiversity and the Mapelo Flora and Fauna Sanctuary. Includes information on the sanctuary, ecotourism and foundation programs. [Spanish, English, French]
- http://www.fundacionmalpelo.org/

Ecofondo
- Environmental organization provides overview of projects and callenges. [Spanish, English]
- http://www.ecofondo.org.co/

World Wildlife Fund Colombia
- Organization aims to stop the degradation of the planet’s natural environment and to build a future in which humans live in harmony with nature. Description of projects, news and gallery of photos.
- http://www.wwf.org.co/

Fundación Ecológica Gabriel Arango Restrepo
- Private ecological foundation provides information on the flora and fauna of the Parque Nacional Natural de los Nevados.
- http://www.fundegar.com/e_index.php

The Nature Conservancy in Colombia
- Environmental information on the country, protected places, and related news.
- http://www.nature.org/wherewework/southamerica/colombia/

Birds of Colombia
- Photos of native birds.
- http://www.pbase.com/rsscanlon/birds_of_colombia

Animal Info: Colombia
- Includes information about threatened species and related environmental and social data.
- http://www.animalinfo.org/country/colombia.htm

The Zamias and Chiguas of Colombia
- Discussion of Colombian biodiversity and the various types of cycads found there.
- http://www.plantapalm.com/vce/cycadsof/colombia.htm

Cascadian Volcano Observatory: Colombia Volcanoes and Volcanics
- General description, map, and history. Includes information on 1985 Nevado del Ruiz eruption that killed more than 23,000 people.
- http://vulcan.wr.usgs.gov/Volcanoes/Colombia/