a few years ago, you would be anxious to see one question asked in a debate about climate. not just a climate debate, one of which you helped to moderate. >> yeah. >> these are changing times. we need to embrace the challenge. we need to move forward. we see the world gathering next week to firm up some of the more frameworks that we have to do to actually move forward on the paris agreement. so, if we can think tomorrow about talking to our kids about climate change, of recognizing and thanking them for pushing us, and give them a hug. tell them we're going to do everything we can to hand them a good future. >> all right. that is a valid point. let's give thanks to the young people who, like you and like a lot of other people, have made this a priority for all of us. gina, thank you for your help in covering this crisis. gina mccarthy, is a former epaed a min stray store. still ahead the rush for amazon's one-day delivery is putting workers in dangerous