The increase in CO concentration leads to a previously unknown feedback mechanism with water evaporation from plants. Due to the increase in the greenhouse gases, leaf pores close earlier: less moisture is evaporated by the plants and there is overall less water vapour. These are the results of climate scenarios tested by researchers around a team lead by J. Lelieveld from the Max Planck Institutes for Chemistry and Meteorology. The increase in CO2 thus affects cloud formation, which aggravates climate change.
In future, the researchers want to extend their analysis to the Amazon to test the