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Urban warming curbs photosynthesis –

RALEIGH, N.C., Oct. 5 (UPI) — There’s evidence that global warming is having a “greening” effect on large portions of the planet. And some scientists have suggested an uptick in carbon will encourage photosynthesis — for better or worse. But that’s not case in cities, new research shows.

When scientists at North Carolina State University tracked tree growth throughout the city of Raleigh, they found urban warming curbs both tree growth and photosynthesis. They also found pests, including scale insects and spider mites, were more abundant among trees at warmer sites.

Source: Urban warming curbs photosynthesis –

The CO2 is good, it’s greening the world argument starts to crumble.


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