celsius. and no human can live outdoors in those conditions. >> do you think when you look at the future, you are able to maintain your optimism given the pretty bleak picture that you're seeing are it now. >> nothing compared to what would be up there if we don't stop it now. if we don't cut way back on it. there was a famous economist who you may have known, rudy dornbush, who said things happen much faster than you think they will. we have seen this with technology employment curves. a decade ago, when my movie first came out, the solar curve was just beginning to slope upward. now has it shot way up. the same thing has happened with