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Redefine

KCET's award-winning environment news project Redefine ran from July 2012 through February 2017. For ongoing environmental coverage please visit our show Earth Focus, or browse Redefine's archives below for historical material.

Playa Racetrack, Death Valley
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Sea level rise flooding the Delta will be incredibly disruptive. But could there be an upside?
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To UC Davis' Jeffrey Mount, there are two types of levee. "Ones that have failed and ones that will fail." But Delta farmers say their levees are a third type: safe.
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As sea levels rise, the scale of the resulting changes coming to the Delta are truly staggering.
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Sea level rise may take the present-day Delta away from us, but it was sea level rise that gave us the Delta in the first place.
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A federal appeals court rules that the government paid enough attention to economic impacts when designating critical habitat for the green sturgeon.
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The Bay Delta is a skein of distinct relationships that weave themselves together in this heart of California.
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Citing irregularities in a June vote not to protect the tricolored blackbird, a wildlife group wants the state to reconsider.
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The Bay Delta's white sturgeon was once lauded as a success story. Now it's declining anyway.
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If there were any Delta fish tailor-made to withstand the drought, it would have to be the Sacramento perch. And yet it's almost certainly extinct in the Delta.
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The confusing genetics of this endangered south Delta mammal teach us about more than half a million years of history.
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The riparian brush rabbit, found in just a few patches of forest in the Delta, may be California's most endangered mammal.
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The Threatened Delta smelt is famous, but there's another smelt in the Bay Delta whose decline is worrying wildlife partisans.
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