This website by the renowned professor of Physics at UC Berkely Dr. Richard Muller, who basically a physics professor has contributed more to combat climate change. He started an organization named Berkeley Earth to research on fighting climate change. The website of it features a real-time data on air pollution at present at various parts of the globe. It helps in educating people on the effects of air pollution and I believe it could create an awareness to them. He believes that Nuclear energy has greater impact to replace fossil fuels when compared to solar and wind energy. He with his team has devised a novel way to dispose nuclear waste in a much safer way. He is one of the most followed person in Quora and an active user of it.