There’s no more time for half-measures and compromises on climate change Despite the complexities of global warming, and there are many, we can describe the principle behind our necessary response in two words: Everything counts. The planet counts every molecule of carbon dioxide (CO2) and other greenhouse gases our energy choices produce, so we should count every molecule, too. We can think of CO2 as overweight people think about calories. To be fit again, they must not eliminate more calories than they consume. They have to count every calorie because every calorie counts. For reasons we have known for a long time, the entire world must go on a carbon diet. Unless there are genuinely compelling reasons otherwise, we must always choose the type of energy that produces what we genuinely need with the least carbon. Carbon-rich energy is an indulgence we can no longer afford. This […]