Bird Flu Spread to Cows

The World Health Organization warns of the risk of H5N1 bird flu virus spreading to cows in other countries through migratory birds. U.S. officials are verifying the safety of milk and meat after confirming the virus in dairy cattle herds and one person.

Decline of the Great Salt Lake in Utah

Scientists track the decline of the Great Salt Lake in Utah, linking it to water diversions, climate change, and a megadrought. The shrinking lake threatens migratory birds as their habitat diminishes. Efforts are being made to reverse the decline and protect the lake's ecosystem.