FILE- In this Feb. 6, 1969, file photo, state forestry conservation crews gather up oil-soaked straw on a beach in Santa Barbara, Calif. Fifty years after the first Earth Day helped spur activism over air and water pollution and disappearing plants and animals, significant improvements are undeniable but monumental challenges remain. Minority communities suffer disproportionately from ongoing contamination. Deforestation, habitat loss and overfishing have wreaked havoc on global biodiversity. And the existential threat of climate change looms large. (AP Photo/Wally Fong, File)
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