Archive: 3/01/2007

Parakeet invading Chicago area

Monk parakeets from South America have pushed northward to the Chicago area, causing bird watchers to worry whether they will force out backyard birds.

dateJan 03, 2007 in
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How trees manage water in arid environments

Water scarcity is slowly becoming a fact of life in increasingly large areas. The summer of 2006 was the second warmest in the continental United States since records began in 1895, according to the National Climatic Data ...

dateJan 03, 2007 in Environment
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