A worker operates a crane claw as it unloads plastic waste onto a stockpile at a recycling center in Yongin, South Korea. (Photographer: Jean Chung/Bloomberg)

Airlines Take a Step Toward Garbage-Free Flying

(Bloomberg) -- Back in 1972, the United Nations established June 5 as World Environment Day in an effort to raise awareness of the various harmful ways humans affect the planet. This year, air poll...