BRIANNA KEILAR, CNN HOST: It's so important for younger people, right, Bill? We're in the middle of one existential crisis as we're going through this pandemic with coronavirus. We've heard a lot of public health officials who say they wish young people were doing more when it came to that. But in terms of climate change, this is truly the existential crisis that this generation feels. This is going to be so important in bringing them around to participate in the process in November for Joe Biden.</s>BILL WEIR, CNN CHIEF CLIMATE CORRESPONDENT: Absolutely. I mean, I think the one reason we saw all those Friday climate school strikes, led by Greta Thunberg, well, there's a lot of Greta Thunbergs across the country, pushing this issue into their parents' faces. The worry was, if Biden got the nomination, his plan wouldn't be ambitious enough. The Green New Deal is derided because it's so big and includes social justice and guaranteed-income provisions. And they say no, that's because the climate touches every aspect of life. It's not a menu item on a list of voter issues. It's the restaurants and everything. From economy to foreign policy to daily life, depends on a livable planet. And no plan is ambitious enough for these young people. So, I don't know. We'll see if today is the first step in engaging those young voters.</s>KEILAR: Yes, we will see. They will be important for Joe Biden come November. Bill, thank you so much for joining us from Brazil. Thank you so much to Arlette, as well, following the Biden campaign. Up next, the board of education in Orange County, California, voting to return to school with no social distancing, no masks, and full attendance. Plus, four former CDC directors are speaking up, blasting the Trump administration's dismissal of science. And a 21-year-old brings the virus home after going to a friend's house. Now his dad is on a ventilator. His wife will join me, live, with a warning.
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