existential. so the real answer is in glasgow and beyond will the world take climate change simply and will it ask for actions by the 192 countries part of the process but will it also set up structures to pressure governments to do the right thing. there's so many parallels between what you've been talking about for the last hour and a half about covid and this. but in both cases we talk about an international community and we're not seeing one in reality. >> doctor mann, nothing in this u.n. report will surprise you as someone who studies the issue so closely. but what does it look like for the world and specifically america to take this problem more seriously? what are those steps and how realistic are they? >> hi, willie. this report is sobering, and you're right, as a scientist, i'm familiar with what goes into the report.