Winemakers have been adjusting to warming temperatures for years, picking grapes earlier and earlier each season. But this year, freak frosts and searing high temperatures in Italy, Spain and France have had catastrophic effects on wine grapes. Some vineyards even lost 90% of their crops. The Economist’s Hanna Nebiyu Vioque reports that climate change is having a big impact on not just the cost of wine, but also the taste.