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Rising levels of ozone pollution near the ground are damaging the ability of plants to take up carbon dioxide, reducing their potential to act as a counterbalance to greenhouse gas accumulation, scientists said Wednesday.

Remember that all the models we have concerning climate change might be wrong...and they might just be too optimistic:

When affected by projected high levels of ozone, plants can absorb up to one third less carbon dioxide than healthy plants, the researchers found.

The finding adds a new component that will have to be factored into climate models used to assess the future effects of global warming, they said.

"It points out a real gap in our knowledge of climate change," said David Karnosky, a global change scientist at Michigan Technological University who was not associated with the study.

Oh boy...it makes you wonder what else will come out over the next decade or two...

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