A sole plant grows out of a dry lake bed in Carpineni, Moldova, Tuesday, April 22, 2008. April 22 is being celebrated around the world as Earth Day. M

A sole plant grows out of a dry lake bed in Carpineni, Moldova, Tuesday, April 22, 2008. April 22 is being celebrated around the world as Earth Day. Moldova, the poorest country in Europe, has suffered droughts in four of the past five years and low rainfall over the past three years have led to severely diminished harvest in Moldova, which relies on agriculture for 70 percent of its GDP. (AP Photo/John McConnico)

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