Illegal dumping plagues many Bay Area cities, with roadways littered with refrigerators, construction debris and mattresses -- lots of mattresses.
KCBS Radio's Raquel Maria Dillon explains how the city of Pittsburg is doing something about it.
KCBS Radio: On-Demand
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How startup, Carbon Run, is using limestone to reduce carbon in bodies of water
Where does your college rank and does it matter?
Biden addresses the UN; a century in the senate as topical issues go unchanged