Marin Resource Conservation District Looks Ahead for its Next 50 Years In this second segment of a two-part series marking a 50-year history of the local RCD and its projects to support West Marin agriculture, we look ahead at the challenges of carbon sequestration, water, climate change and invasive weeds. RCD's Nancy Scolari and UCCE's David Lewis talk with George Clyde. Links to RCD 50-Year History and our first segment.