Cathal McBride: Heat is on to find wines that can deal with climate change

Higher temperatures can lead to problems in the grapes like excessive alcohol levels, so the industry is responding by reintroducing varietals that can cope with the hotter climate

Dick Boushey, owner of Boushey Vineyards in the Yakima Valley, Washington: changes in temperature and water availability are affecting the type of grapes that can be grown in the vineyards. Picture: Crosscut