everyone from harrison ford to former arnold schwarzenegger, to jessica alba is part of the series. why do you think it takes that kind of star power to make the public pay attention to climate change? >> i think that's it. i think a lot of people have so many worries with the way the economy is they don't want to think of this. it is like one more thing. enough denial on the air waves they can shut it out of their minds. i will wait until people make up their minds whether it is a real problem or not. i think it takes people you can relate to and feel familiar with because you have seen them your whole lives, maybe, telling you this is something you have to pay attention to. we tried to design the show in such a way it would draw you in with human stories that are compelling. not a lot of charts and graphs and that sort of thing. >> this is a series about lives, individual lives being transformed by climate change from droughts in texas to raging wildfires out west to the