TED’s Kate Torgovnick May blogs on JUCCCE Chairperson Peggy Liu’s TED talk. “I am so happy to be here, because I can actually breathe the air,” says Peggy Liu, who lives in China, as she steps on the TED2014 stage. Her typical day begins not with checking the time, but by checking the air pollution levels on her phone to determine whether her children will need to wear face masks that day. In Brussels, Belgium, if the air quality index reaches 50, she says, traffic is stopped