What can people do about the problem of pollution? In recognition of UN's "International Day of Clean Air for Blue Skies" today, listen to Adam Navis and Liz Waid tell about a film that looks at the problems of dealing with pollution in China.
What can people do about the problem of pollution? In recognition of UN's "International Day of Clean Air for Blue Skies" today, listen to Adam Navis and Liz Waid tell about a film that looks at the problems of dealing with pollution in China.