the first oil well in the world was drilled in pennsylvania by colonel edwin drake. wasn't really a colonel but that is another story. at the same time the great irish scientist john dingell discovered co2 traps infrared radiation. we have already begun to use coal at the beginning of the industrial revolution and that began to accelerate. but will overtook coal and now the two of them together, both rich in carbon, represent the principal source of fuel for our economy and shifting away from these dirty polluting fuels is one of the principal challenges that we face in solving the climate crisis. it is not the only one. i go into the others in this book as well. in section ii of the book i focus in on the principal sources of energy that we can get from renewable sources. first of all, solar energy. there is enough sunlight that falls on the surface of our planet in one hour to equal a full year's supply of energy for the entire world. the scientists and engineers have gotten better and better, better and better at capturing and converting that sunlight into electri