Johanna studied microfinance abroad but migrated from international development to a hyper local focus, working with San Francisco Mayors Newsom and Lee, and then to the C40 Cities Climate Leadership Group; she founded and directed the Carbon Neutral Cities Alliance. “Cities tend to be more ambitious than their state or national counterparts,” Johanna says, “because they are on the front lines of climate change, and in cities, the climate issues are clearly about people and their lives.”