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Orange County, California Climate

How one person with coronavirus could infect up to 88,000 others – Orange County Register

U.S. Census Bureau QuickFacts: Santa Ana city, California

Deadly air: Thousands killed in Southern California each year by pollution, report finds

Interactive Map: California’s chronically absent students in 2017-18

“Yale Climate Opinion Maps 2019.” Yale Program on Climate Change Communication

Toxic soil in Santa Ana? Community groups are working with UC Irvine to find out

Are plastic bags back in Huntington Beach?

Traffic continues to be huge air polluter – but local politics makes it hard to say no to new roads.

Clean Air Act (CAA) Compliance Monitoring