"We won't see a presidential candidate like Bernie again in our lifetimes." As I heard these words, spoken by a woman at a Sanders campaign event recently, I felt a chill go through me. Because I knew she was right. We won't.
Such radical gyrations in the climate are already causing unseen suffering and hardship for countless of the earth's inhabitants. Millions of people have been displaced from their homes or lost their livelihoods as a result of one degree of warming.
Ironically, at the same time I was speaking to some of NASA's climate scientists this week about how to counter denialist propaganda attacks, the denialsphere was abuzz with a new open letter signed by 49 former, now discredited NASA employees.