Northern Canada, in other words, dried out a lot sooner than usual in 2023, and then—as land temperatures began to soar—it caught on fire. Caught on fire in ways we’ve never seen before: vast fires were raging in every province before long. By the time snow finally put them out in late autumn, those fires had produced several times more carbon than all the cooking and heating and cooling and driving and flying done by all the people in Canada, which is what we call a feedback
