Part 2: Can we afford a transition to clean energy?

Sun, wind, water, and Earth’s heat — they’re abundant, carbon-free, and cheaper to harness than ever. But what’s the true price of overhauling our energy system? Is clean power really the cheaper path? In Part 2 of our series on The Cost of Climate Change, we head to outback Australia to meet an accidental ally in the race to ditch fossil fuels.