The National Environmental Partnership Summit has a call for speakers for its annual summit that will be held at the Hyatt Regency in San Francisco on May 4 - 8, 2009. The summit will focus on pollution prevention and environmental assistance, including greening your business, research and new clean technologies, regulatory updates, resource efficiency, and community engagement success stories, with sustainability as an underlying common thread in all tracks. The call for speakers is out now through December 5, 2008.