Endangered Species at World Wildlife Fund. At WWF, we are the leader in wildlife conservation and preservation of animal habitats around the world. Join World Wildlife Fund and support our conservation efforts.

Human Dimensions of Urban Forestry and Urban Greening. Featuring research on peoples' perceptions and behaviors regarding nature in cities. Research Projects Director: Kathleen L. Wolf. PhD.

A land conservation and open space resource for landowners, government agencies and community groups interested in protecting land for human enjoyment.

ClintonFoundation.org is the website of the William J. Clinton Foundation, established by former President of the United States Bill Clinton with the stated mission to 'strengthen the capacity of people throughout the world to meet the challenges of global interdependence.' The Foundation focuses on four critical areas: health security; economic empowerment; leadership development and citizen serv

This official site of the Arbor Day Foundation provides information about planting and caring for trees, our Rain Forest Rescue and Tree City USA programs, and much more. Buy trees and give a gift of trees through our Trees in Memory and Trees for America programs.

Cornell Lab of Ornithology, We use science to understand the world, to find new ways to make conservation work, and to involve people who share our passion. We offer help for birders through All About Birds website on all bird info, questions, etc.

iadb.org El BID es la principal fuente de financiamiento multilateral de América Latina. Ofrece soluciones para afrontar los retos del desarrollo y apoyo en áreas claves de la región.