OK, I give up. I'm on the global-warming bandwagon, too:
In North America's most renowned wine-growing region, Napa Valley in California, current conditions are near-perfect.
"You have the climate, you have ideal soils and a history of winemaking that goes back to the turn of last century. It's a combination of those things that makes Napa Valley unique," says Jeff Virnig, winemaker at Robert Sinskey Vineyards.