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California produces ninety percent of all the wine made in America but historic wildfires devastating droughts and other extreme weather have many in the business struggling alling with how to adapt to a changing climate as. NPR's Eric Westervelt reports a growing number of vineyard owners in the country's best known wine region. A calling for less talk and some more action on the beautiful heat lamp terraces and elegant tasting rooms of Napa Sonoma. The cabin as these days are often paired with talk of extreme weather and warming earth. It's a romantic and mealey's believes that the wine industry is something that has long term at Annapolis Lark. Mead vineyards head winemaker. Dan Petrosky shows me around the test plots lots. He's preparing three and a half acres of experimental grape varieties from the southern hemisphere and the southern Mediterranean. This research vineyard is focusing on the grape varieties. Heidi's that we believe will be important to Napa Valley or even to the future of California wine as we're thinking about how the climate is changing here. Over the course of the next couple of decades the idea is to find out which groups do better in drought conditions or in an era of colder cold snaps and warmer heatwaves Lark made was founded in eighteen eighteen. Ninety five and Petrosky is not looking to replace its famed Cabernet. But he'll test for resilience and flavor tryouts. You might call it for which grapes will become supporting according actors in the finished wines of near future warmer Napa the test plots he says or part of a broader long term strategy to try to mitigate climate change how we think about irrigation or non-irritating. How we think about keeping the temperature down not only the fruit zone but on the canopies with installing misting systems and shade cloth? So we're we're GONNA be using this as an opportunity to test not only new technologies but also the test the finished product in the absence of federal leadership on climate change a growing number wineries in Napa and Sonoma lark meter trying to reduce their carbon footprints organic farming solar panels composting instead of burning discarded vines and and most wineries in this region are now certified sustainable in the management of their energy water and soil. But I'm not sure that's enough we're dealing with which with a larger global issue of planet civility to curb carbon in neighboring? sonoma's sisters Katie and Julia Jackson Jackson aren't sure it's enough either and we need to stop talking about the problem. We need to actually start implementing and scaling the solutions. Now Julia and Katya part owners was one of the world's biggest wine producers Jackson family wines. They help run. Forty two wineries around the world from California to South Africa. Jackson recently teamed up with with another global wind giant Spain's Torres family wines to create international wineries for climate action sitting at a picnic table overlooking the vines at their La Crema. Emma winery Haiti Jackson says the new groups goal is nothing short of radically decarbonising. The world's wine industry that's an organization that's asking members to to reduce their carbon footprints fifty percent by twenty thirty and by eighty percent by twenty forty five we need concrete significant action immediately and also also for the mid- and long-term to join wineries pledged to meet those ambitious goals and show they currently get at least twenty percent of their energy from onsite. Renewables is like solar and wind and they have to agree to conduct a thorough carbon emissions inventory audited by a third party every year looking at all aspects of production. In through delivery Jackson wine has been measuring its carbon footprint for eleven years. One of several changes they made after an energy audit. They switched to lighter glass bottles cutting their emissions footprint three percent and saving on shipping and production costs are cute so far the new global wind climate group only has six six members change. Come slow in wineland tradition. Not Transformation is often the ethos. It's an industry driven by personality and passion individuals individuals who are fierce competitors sometimes averse to working together. Katie Jackson says that mindset has to evolve. We believe that our intelligence together is quainton be more powerful and more impactful than anyone. Winery trying to figure this out and go alone. There's another challenge. Many small wineries can't afford to invest in climate resilience such as an annual emissions inventory. They're struggling to get the harvest in survive. And maybe spending any extra cash on new generators to adapt to the new normal mull of rolling power blackouts due to the heightened risk of catastrophic wildfires driven in part by climate change. Eric Westervelt N._p._R.. News in California's Napa Valley.