Sustainability wins in Napa

A wine list can now turn “sustainable” from a vague promise into four named winners with a public award, and California just handed those 2026 Green Medals to St. Supéry, Clif Family Winery & Farm, Ironstone Vineyards, and Hobo Wine Company on April 9 in Sacramento. The awards arrived at the start of California’s April “Down to Earth Month,” when wineries push sustainability messages directly to visitors and buyers. (wineinstitute.org) The Green Medal is not one trophy for one style of winery. California gives four separate medals each year for Leader, Environment, Community, and Business, so a buyer can tell whether a winery stood out for climate work, local relationships, or operating discipline. (wineinstitute.org, wineindustryadvisor.com) That structure matters because California has spent more than two decades turning sustainability into something the trade can audit instead of just admire. Wine Institute and the California Association of Winegrape Growers created a sustainability workbook in 2002, formed the California Sustainable Winegrowing Alliance in 2003, and launched the Green Medal program in 2014. (wineindustryadvisor.com, wineinstitute.org) Behind the medal is a bigger certification machine. Certified California Sustainable Winegrowing says wineries and vineyards must meet 60 vineyard criteria and 41 winery criteria, track water, energy, greenhouse gases, and nitrogen, and pass an annual third-party audit to keep certification. (wineinstitute.org) California has also made that system big enough to matter in the market. Wine Institute said in March 2025 that 90% of California wine was being produced in a certified-sustainable winery, up from 80% in 2024, and that 65% of the state’s vineyard acreage was certified sustainable under California or other programs. (wineinstitute.org) Trade buyers are paying closer attention to those claims than they did a few years ago. Wine Institute cited a Full Glass Research poll showing 70% of United States wine trade members reported increased interest in wines produced with climate-beneficial practices. (wineinstitute.org) St. Supéry, the Napa Valley winner in the top “Leader” category, gives a clean example of how specific these claims have become. The winery says it cut emissions intensity by 48% since 2021, reduced water use by 56%, keeps 1,000 of its 1,600 Napa acres wild, and uses 900 seasonal sheep to fertilize land and reduce tractor passes. (wineinstitute.org) St. Supéry also shows how climate language is moving from the back office into sales. The award announcement says the winery promotes its practices and certifications to both trade and consumers, and the estate had already reached Gold membership in International Wineries for Climate Action after lighter glass, capsule removal, and recycling helped drive that 48% emissions-intensity cut. (wineinstitute.org, winebusiness.com) The other three winners fill in the rest of the picture California wants restaurants and retailers to see. Clif Family Winery & Farm won the Environment Award, Ironstone Vineyards won the Community Award, and Hobo Wine Company won the Business Award, which means the state is rewarding sustainability as farming practice, employer practice, neighborhood practice, and cost discipline at the same time. (wineinstitute.org, wineindustryadvisor.com) That is why a Green Medal can travel so well from a press release to a tasting-room script. “Organic” tells you one thing, but “2026 California Green Medal winner” bundles audited standards, a named category, and a fresh date into one line that a sommelier, retailer, or winery host can say out loud in about five seconds. (wineinstitute.org, wineinstitute.org, wineinstitute.org)