(PRWEB) - Millions of California wine bottles are now bearing the SIP Certified Seal so that wine consumers can select wines made from grapes grown by eco-conscious, community-minded grape growers. More than two million SIP Certified wine bottles are now in national distribution and can be purchased at supermarkets, discount warehouse stores, online, and at specialty wine shops. Sustainability in Practice - aka SIP - is an extremely robust sustainable agriculture certification standard and verifies for savvy consumers that wines were sustainably grown. Agricultural leaders in the state of California support the program which considers integrated farming practices as well as third-party verification of those practices.