President Obama Explains How Pollution Affects Our Planet

President Barack Obama joins us today to discuss how NASA mapped pollution from space and what it means for our future. Join the conversation on Twitter #ObamaOnDNews! Watch President Obama on Science Presents DNews every night this week at 9/8c on Science Channel. Catch up here: ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won’t find anywhere else! New videos twice daily. Watch More DNews on TestT