GHG Offsets Sold into California's Cap & Trade Program Could Provide Additional Income to US Rice Farmers SACRAMENTO, Calif., June 9, 2011 /PRNewswire-USNewswire/ -- Environmental Defense Fund, in partnership with Winrock International, the California Rice Commission and the leading Arkansas rice industry associations and producers, will receive a $1.1 million USDA Conservation Innovation Grant (CIG) to demonstrate best practices for reducing greenhouse gas emissions from rice production in Arkansas and California.