Climate change will leave wine lovers drunker and poorer | Quartz

As grapevines photosynthesize, they create the sugars, which in the fermentation stage, are what yeast converts into alcohol.

Thanks to extra sunshine, some Bordeauxs now contain around 16% alcohol, compared with 12.5% in the early 1980s.

Zinfandels, meanwhile, have gotten around 30% more alcoholic since 1990.

via Climate change will leave wine lovers drunker and poorer – Quartz.