Topic: oceans

Development along the coast threatens almost 25 percent of the world’s reefs, of which more than 10 percent face a high threat.

Coral reefs are classified by estimated present threat from overfishing and destructive fishing, which threatens more than 55 percent of reefs globally.

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Coral reefs are classified by estimated present threat from watershed-based pollution, which threatens more than 25 percent of reefs globally.

Coral reefs are classified by estimated present threat from marine-based pollution and damage, which threatens approximately 10 percent of reefs globally.

Coral reefs are classified by estimated present threat from coastal development, which threatens approximately 25 percent of reefs globally.

At present, local human activities (overfishing and destructive fishing, marine-based pollution and damage, coastal development, and watershed-based pollution) threaten an estimated 60 percent of the

Mapping of past thermal stress on coral reefs (1998–2007) suggests that almost 40 percent of reefs may have been affected by thermal stress, meaning they are located in areas where water temperature

Unsustainable fishing is the most pervasive of all local threats to coral reefs.

Marine-based sources of pollution and damage threaten approximately 10 percent of reefs globally, with only about 1 percent at high threat.

Globally, more than 60 percent of the world’s coral reefs (about 150,000 sq km of reef) are threatened by local activities (overfishing and destructive fishing, marine-based pollution and damage, co