'Greening' Disease Threatens California's Citrus Industry

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Ninety-three square miles of the San Gabriel Valley are now under a citrus quarantine because of a bug that could cost California $2 billion. It carries a disease called citrus greening that's been found on a backyard lemon tree in Hacienda Heights. That could lead to a nightmare citrus growers have feared since it first appeared four years ago. We hear what's at stake and what you should look for in your backyard. On our rebroadcast of today's To the Point, from Bhutan to the UN to the USA: should "Gross National Product" be replaced as a goal by "Gross National Happiness?"

Banner image of Asian citrus psyllid courtesy of the US Department of Agriculture