Web Resources:

Huascarán National Park
Huascarán National Park (Spanish: Parque Nacional Huascarán) is a national park in the Andes. It is a Natural Heritage of Humanity and recognized as Reserve of Biosphere Core.
http://whc.unesco.org/en/list/333

The Mountain Institute
Conservation of the alpine grasslands known as paramo. Community-based conservation projects. Supports traditional mountain cultures.
http://www.mountain.org/work/andes/index.cfm

Andes to Amazon Biodiversity Program
International, multidisciplinary team of scientists, students, and local residents dedicated to studying organisms and their interactions with the environment in the Andes-Amazon region of south eastern Peru and Costa Rica.
http://www.andesamazon.org

Biodiversity Hotspot
Conservation efforts for the threatened species of Tropical Andes: one of the most biologically diverse region in the world.
http://www.biodiversityhotspots.org/xp/Hotspots/andes

Conservation International
Beyond advocating for the creation, expansion, and linking of protected areas within the Andean region, CI is working with local communities, public officials, and wildlife groups.
http://www.conservation.org/xp/CIWEB/regions/neotropics/andes.xml

The Andean Botanical Information System
Information on flowering plants (phanerogams) of Andean South America. Topics include selected geographic regions and groups of Andean plants, flora of coastal Peru and Chile, floristic inventories from a variety of habitats in northern Peru, bibliographic resources, and searchable databases.
http://www.sacha.org

Books:

de Roy, Tui. The Andes: As the Condor Flies. New York: Firefly Books, 2005.

Llosa, Mario Vargas. Andes. Washington DC: National Geographic, 2001.