If you live west of the Cascades in the Pacific Northwest, you likely woke up yesterday to an awful late-summer surprise (if you weren't under wildfire threat already): a blanket of unhealthy wildfire smoke.
30 years ago, it would have been much easier to tackle the causes of climate disruption. That was then. 30 years from now, they might remember the fiery September of 2018 as the turning point toward solutions, when leaders confronted the challenge head-on at a historic summit in California. Or they might be in hell, wondering why we blew it.