Hydrogen is the most abundant chemical substance in the universe. It can be used as a fuel that does not produce greenhouse gases when burned.| MIT Climate Portal
Electric vehicles are a cleaner alternative to gasoline- or diesel-powered cars and trucks—both in terms of harmful air pollution, and the greenhouse gas emissions that are causing climate change.| MIT Climate Portal
Cities concentrate people into small areas for good reason, but this makes them major sources of greenhouse gases and uniquely vulnerable to climate risks.| MIT Climate Portal