Energy/Environment What is killing California sea lion pups? Why unusual event is a concern (+video)

Scientists say the sea lions reveal 'important things about what is going on in our oceans.' Food shortages and disease are being looked at as possible causes of the 'unusual mortality event' in California.

REUTERS/Mike Blake/Files

California’s sea lions, usually celebrated for their entertaining, prankster ways and doglike barks, are making very different headlines right now. Young pups are washing up dehydrated and dying, from Monterey to San Diego, in record numbers.