German researchers study climate change effects on wine and its taste

A warming climate means grapes reach maturity more quickly. For some vintners, climate change seems to be a good thing. Then again, they could be mistaken. Researchers in Germany’s central state of Hessen are working to find out how it all affects the vines.
Geisenheim, Germany – The unmistakeable sound of hissing can be constantly heard in the vineyards of Geisenheim, in Germany’s central wine-growing region of the Rheingau.
In a large outdoor testing area, Geisenheim College researchers are pumping grape vines with artificially high levels of carbon dioxide (CO2).