NextGen Climate is a San Francisco-based environmental advocacy organization. Founded by businessperson and philanthropist Tom Steyer in 2013, we act politically to prevent climate disaster and promote prosperity for all Americans. Working at every level, we are committed to supporting candidates, elected officials, and policymakers across the country that will take bold action on climate change. NextGen Climate Action is a 501(c)(4) organization. NextGen Climate Action Committee is a political action committee.