Mongabay   An environmental science and conservation news site.  Search for The Sixth Mass Extinction facebook page with current news about biodiversity

The Global Footprint Network    See also  Arkansas Frogs and Toads with Frog Watch USA citizen science information

Friends of the Earth Mission: Friends of the Earth defends the environment and champions a healthy and just world. The FOE fights legal battles to protect the environment.

Natural Resources Defense Council Mission: NRDC works to safeguard the earth—its people, its plants and animals, and the natural systems on which all life depends. The NRDC puts pressure on elected officials to support ecological legislation.

The Nature Conservancy Mission: The mission of The Nature Conservancy is to conserve the lands and waters on which all life depends. The Nature Conservancy buys land and manages conservation easements to preserve natural areas.

Conservation International Mission: Building upon a strong foundation of science, partnership and field demonstration, CI empowers societies to responsibly and sustainably care for nature, our global biodiversity, for the well-being of humanity.

World Wildlife Fund Mission: The mission of World Wildlife Fund is to conserve nature and reduce the most pressing threats to the diversity of life on Earth.  They are mostly concerned with endangered species of animals.