Study shows humans contribute to early arrival of spring activity in wild species

A study in the Proceedings of the National Academy of Sciences (PNAS) has found that humans, through increased emissions of atmospheric greenhouse gases and aerosols, are causing regional climate change, which in turn is linked to changes seen in the springtime activity of numerous animals and plants.

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<p><a href="http://www.physorg.com/news4452.html">Study shows humans contribute to early arrival of spring activity in wild species</a></p> <p>A study in the <i>Proceedings of the National Academy of Sciences (PNAS)</i> has found that humans, through increased emissions of atmospheric greenhouse gases and aerosols, are causing regional climate change, which in turn is linked to changes seen in the springtime activity of numerous animals and plants.</p>