COLUMN: Earth Day polarizes, while Arbor Day offers nonpartisan celebration

Thursday, April 29, 2010 | 12:01 a.m. CDT; updated 8:43 a.m. CDT, Thursday, April 29, 2010

Forty years after the first Earth Day, April 22, 1970, the environment as a policy issue has retained an ambiguous political quality. On one hand, nearly everyone recycles and is more aware of conserving energy than 40 years ago; on the other hand, there is a scab that can be picked about the severity of global warming or how much environment protection should be sacrificed for economic growth.

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