Asociacion ANAI
A non-profit volunteer organization: includes list of ecological conservation projects, ecotours; nature photos.
Fundacion de Tierra Preservada (Foundation of Preserved Land)
Non-profit, tax-exempt organization promoting the preservation of land in Costa Rica and elsewhere in Latin America, using donated funds, corporate sponsorship, and volunteers. Inf…
Project ALAS Arthropods of La Selva
A large scale inventory of arthropod diversity in the lowland tropical rainforest of La Selva. Includes a history and description of the laboratory facilities, information manageme…
SciELO - Scientific Electronic Library Online
Electronic virtual library covering a selected collection of Costa Rican scientific journals. Includes browsing tools for serials and articles. [English/Spanish/Portuguese]
Tropical Sierra Foundation
Dedicated to preserving, reforesting, and establishing habitats for endangered species in the tropics. Information about current projects, news, membership and volunteering.
Volcanoes Guanacaste Range System
Brief descriptions of each of the volcanoes in the Guanacaste Range.
Volcanoes of Costa Rica
General discussion of volcanic activity in the country, followed by a list of major structures, with photos and descriptions.