Nature's Pain

KEVIN FLEMING/CORBIS EXHIBIT D: Nature's Pain

Pacific salmon populations fell sharply in 1997 and 1998, when local ocean temperatures rose 6 degrees F.

Polar bears in Hudson Bay are having fewer cubs, possibly as a result of earlier spring ice breakup.

coral reefs suffer from the loss of algae that color and nourish them. The process, called bleaching, is caused by warmer oceans.

Diseases like dengue fever are expanding their reach northward in the U.S. butterflies are relocating to higher latitudes. The Edith¹s Checkerspot butterfly of western North America has moved almost 60 miles north in 100 years.