Shawn Gagne helped plant more than 11,000 trees across 12 communities and 5 states in 2017. As a scientist and an entrepreneur, Shawn believes that we can improve the environment by creating a market that reduces greenhouse gases by investing in trees in neighborhoods of US cities. Learn more about how his organization, Urban Offsets, tracks how much carbon dioxide (CO2) these new city trees remove from the air as they grow.