Bryan Thomas doesn’t want any more “wishy-washy conversations about climate change.” For four years, he has served as station chief of the Barrow Atmospheric Baseline Observatory, America’s northernmost scientific outpost in its fastest-warming state. Each morning, after digging through snow to his office’s front door, Thomas checks the preliminary number on the observatory’s carbon dioxide monitor. On a recent Thursday,cli it was almost 420 parts per million — nearly twice as high as the global preindustrial average. It’s just one number, he said. But there’s no question in his mind about what it means. Alaska is in the midst of one of the warmest springs the state has ever experienced — a transformation that has disrupted livelihoods and cost lives. The average temperature for March recorded at […]