Scientific experts ruled that the southern Californian shoreline is an extreme danger zone due to an algae bloom killing over 50 dolphins in one week alone. A neurotoxin called domoic acid (DA) is regarded as the source of the mass animal deaths,

California cities nearly covered all five spots in the Top 5 Most Polluted Cities when it comes to year-round particle pollution in the U.S., according to the American Lung Association.

The LA area is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the American Lung Association said.

Climate change is taking a visible and increasingly toxic toll on the air Americans breathe. According to a report released by the American Lung Association, nearly half of the people living in the U.