In the daunting math of climate action, individual choices and government policies aren’t adding up. Solar panels are being nailed to rooftops, colossal wind turbines bestride the plains and oceans, and a million electric vehicles are on U.S. roads — and it isn’t enough. Even if the world did an unlikely series of about-faces — halting deforestation, going vegetarian, paying $50 a ton carbon taxes, boosting energy efficiency, doubling car mileage, and more — it would not be enough. “There’s no silver bullet,” said Andrew Jones, co-founder of the modeling firm Climate Interactive. “There’s silver buckshot: many actions in many domains.” As the 24th U.N. conference on climate change kicks off this week, a steady drumbeat of scientific reports have sounded warnings about current climate […]