Go north young sommelier. Global warming may move prime grape growing territory from Napa Valley to Walla Walla County, Washington, and Willamette Valley, Oregon, says a Stanford University study released late last month that\u2019s shaking California\u2019s wine industry at its rootstock. Over the next 30 years, the study found, the amount of land suitable for growing cabernet sauvignon and pinot noir varietals may shrink by 50 percent in Napa Valley, as the number of hot days a year in the area increases from about 30 to 40 and the average annual temperature climbs from less than 68 to 70 degrees Fahrenheit. Researchers considered hot days to be those on which the temperature reaches at least 95 degrees F. Santa Barbara County--home to the Santa Ynez Valley, backdrop for the comic winesnob movie Sideways--could see a 20 percent reduction in prime growing acreage. Bye-bye Paul Giamatti and Sandra Oh. The researchers advised California vintners to get busy cultivating new varieties that can withstand average temperatures of 71 degrees F. and up to 45 hot days a year. Stanford assistant professor of environmental Earth system science Noah Diffenbaugh led the study, which postulated a 23 percent increase in atmospheric greenhouse gases by 2040, which could raise the average global temperature by about 1.8 degrees F. * * * * * Getting ready for change you can believe in? The California Air Resources Board is. The agency says it plans to unveil changes to its carbon cap-and-trade program in coming days and discuss them in Sacramento at a public meeting on July 15. The Air Board scheduled the meeting after its chair Mary Nichols last week announced to a Legislative committee the agency would not enforce the cap-and-trade requirements for power plants and other industries beginning next year, as originally planned. Instead, she told lawmakers the agency would wait until 2013 (Current, July 1, 2011). The Air Board plans to outline the changes to the program rules in a \u201cdiscussion draft\u201d which would set an initial compliance period of two years rather than the three years initially envisioned. The agency said that under the draft, no emissions allowances would be issued for 2012 and there would be no compliance obligation for 2012 emissions. Other details are to be unveiled in the draft paper. Get ready for change.