San Francisco Bay: Number of dead birds climbs to 100; 300 rescued

The environmental toll from the mystery goo in San Francisco Bay climbed Tuesday to 100 dead seabirds and 300 that were saved as wildlife officials tried to zero in on identifying the toxic stuff and who may have spilled it. . . . Volunteers willing to look out for and report ailing birds on the East Bay shoreline can sign up through San Francisco Baykeeper by visiting its web site at bit.ly/1yI5MKS.