Morning Ireland: What impact is global warming having upon Californian wine?
Brian O'Donovan, Washington Correspondent, reports that climate change is having a big impact on the world-famous wine region of Napa Valley in California.
Morning Ireland: What impact is global warming having upon Californian wine?
Brian O'Donovan, Washington Correspondent, reports that climate change is having a big impact on the world-famous wine region of Napa Valley in California.