The Massachusetts example in trying to deal with climate change.

Massachusetts aims for critical mass on climate technology Massachusetts has long been a leader on climate policy. A billion-dollar, ten-year economic development plan aims to make the state a hub for climate tech, too. Newsweek

Massachusetts also has a long track record of some of the strongest climate policies in the country. In 2006, state officials won the landmark U.S. Supreme Court case Massachusetts v. Environmental Protection Agency that established the government's authority under the Clean Air Act to regulate carbon dioxide as a pollutant. The state has been a leader on emissions reductions and innovative policies to achieve them, all of which align well with the goal of creating a climate tech hub. ...