Climate change effects seen in sugar maple

In Ohio and New England, and through Canada, the maple sugaring season starts and ends earlier than a generation ago -- a sign of warming climate trends.

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<p><a href="http://www.physorg.com/news65074284.html">Climate change effects seen in sugar maple</a></p> <p>In Ohio and New England, and through Canada, the maple sugaring season starts and ends earlier than a generation ago -- a sign of warming climate trends. </p>