The greatest challenge of our time is to avoid climate chaos. The earth is our irreplaceable home, and if we destroy it, we will have no other place to go. At the rate we’re spitting out greenhouse gases, within a few decades we may raise the earth’s temperature to the point where the planet becomes inhospitable to human life. All the money in the world will be worthless on a planet where the grain belts have withered and oceans have turned deadly acidic.
We need to start making a rapid and full-scale transition to a new economy powered by clean and renewable sources of energy. The sun, wind, and heat of the earth are capable of providing us with all the energy we need. The main obstacle to date has been the lack of political will, whereby a band of powerful corporations, lobbyists, and compliant politicians reject the hard truths of science and even the clear decrees of rational self-interest.
We must stand up against moneyed interests and press our governments and civil groups to expedite the transition to a clean-energy future. Our window of opportunity is closing, and we must act fast before it slams shut. We need a sense of urgency, as if our clothes were on fire, an urge to act to preserve this precious planet—a miracle in a sea of cosmic dust, a blue-green pearl teeming with living forms.