Are we living through climate change’s worst-case scenario?
Robinson Meyer writes: The year 2018 was not an easy one for planet Earth. Sure, wind and solar energy kept getting cheaper, and an electric car became America’s best-selling luxury vehicle. But the most important metric of climatic health—the amount of heat-trapping gas entering the atmosphere—got suddenly and shockingly worse. In the United States, carbon emissions leapt back up, making their largest year-over-year increase since the end of the Great Recession. This matched the trend across the globe. According to…