Coral reefs are classified by estimated present threat from local human activities, according to the Reefs at Risk Revisited integrated local threat index. The index combines the threat from the following activities: overfishing and destructive fishing, coastal development, watershed-based pollution, and marine-based pollution and damage.
Ocean advocate Céline Cousteau and cartoonist Jim Toomey (creator of Sherman's Lagoon) teamed up with the World Resources Institute to bring you Coral Reefs: Polyps in Peril.
Take a tour of coral reefs around the world with the World Resources Institute's Reefs at Risk project and Google Earth.
Sous la direction de l'Institut des Ressources Mondiales (World Resources Institute - WRI), une vaste collaboration entre de grands instituts de recherche et organisations de conservation a permis de réaliser une étude cartographique mondiale des menaces qui pèsent sur les récifs coralliens de la
El Instituto de Recursos Mundiales (World Resources Institute - WRI) y sus socios han publicado el "Reexamen de Arrecifes en Peligro."
Development along the coast threatens almost 25 percent of the world’s reefs, of which more than 10 percent face a high threat.
On Wednesday, February 23, 2011, WRI and more than 25 partners launched Reefs at Risk Revisited, a comprehensive analysis of the threats to coral reefs.
Reefs at Risk Revisited is released in Washington, DC on February 23, 2011.
More than one-quarter of the world’s reefs are threatened by watershed-based pollution (including nutrient fertilizers, sediment, pesticides, and other polluted runoff from the land), with about 10
Coral reefs are classified by estimated present threat from overfishing and destructive fishing, which threatens more than 55 percent of reefs globally.