350org
350.org is an international environmental organization focused on climate change advocacy and grassroots activism. It was founded in 2008 by author Bill McKibben and a group of organizers, and is named after the atmospheric carbon dioxide concentration of 350 parts per million, which scientists have identified as a safe upper limit for humanity.
Operating as a nonprofit with a global network, 350.org coordinates campaigns through online mobilization and local
Among its notable campaigns are the Fossil Free campaign promoting divestment from fossil fuel companies by
Leadership and funding: Executive Director May Boeve; the organization is guided by a board and supported by