Support WBURClimate Change Ripens Prospects For German WinemakersPlay03:42Download AudioDaniella CheslowNovember 17, 2017 ShareJohannes Selbach checks the green speckled Riesling grapes he grows along the Mosel River in Germany. This year Selbach said the harvest was a record month early, which he says is evidence of global warming. (Daniella Cheslow for NPR)