> At least it's good for the plants. There are plants (for example hop and wheat [1]) that cannot grow well at high CO2 concentrations. [1] http://science.sci

> At least it's good for the plants. There are plants (for example hop and wheat [1]) that cannot grow well at high CO2 concentrations. [1] http://science.sciencemag.org/content/328/5980/899.abstract http://science.sciencemag.org/content/328/5980/899.abstract