Scientists Ozone-Depletion Alarm; Contaminants Suspected in Bird Beak Deformities

(Before It's News)

Scientists alarmed at short-term ozone-eroding gases. Environmental scientists raised concern Monday at rising levels of gases that attack Earth’s protective ozone layer, including manmade chemicals not covered by a key UN treaty.

Contaminants a suspect in the mystery of the chickadee beak deformities. About 7 percent of Alaska black-capped chickadees have the beak deformity, which is spreading to other birds such as ravens and crows, and to other parts of the world, including Great Britain.

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