SAN FRANCISCO (KCBS) — The Goldman Environmental Prize honors grassroots heroes who—often at great personal risk—inspire local movements to protect the natural environment. The award  was handed out last week in San Francisco.

This week on KCBS In Depth, host Jan McMillan speaks with Desmond D’Sa from South Africa and Helen Slottje of the U.S. who are two among six global recipients of the 2014 Goldman Prize.

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Desmond D’Sa spent a lifetime watching his poor, ethnically diverse community in South African community of South Durban be ravaged by toxic dumping. He started as unpaid volunteer and eventually organized a movement that stopped the expansion of a massive waste dump in his neighborhood and later had it completely closed down.

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Helen Slottje, the North American prize winner, is a former corporate attorney who found a legal clause allowing towns to use zoning laws to stop companies from setting up huge fracking operations. As a result, many New York communities have now enacted some kind of limits on fracking. She is also talking with Californians about using a similar strategy.

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