Sign up to receive each week’s Playlist e-mail here! Also check out our full, interactive Playlist section. Hazy Days (PC, Mac) MIKE REN Mike Ren has been living in Shanghai, China for over a year now. “The city is great,” he says, but the air pollution, well, that isn’t so great. The smog of China is a matter that has reached global news. It even went viral in 2013 due to a photograph that could have been mistaken for a still from the 1982 movie Blade Runner. But Ren isn’t happy with this coverage in the media and has sought to humanize the issue through…