California prepares to clean up wildfire waste

SANTA ROSA, Calif. - Government agencies are mobilizing for a massive hazardous waste clean-up after California's wildfires.  Officials gave their first briefing to the public Monday on what they say will be the largest fire clean-up effort in state history.  More than 8,000 homes have burned in dozens of wildfires in Northern California. Authorities have declared a public health emergency because of the presence of household hazardous waste like freon or asb