After moving from a Swedish ski resort to Stockholm, Erik Ahlstrom noticed a lot of litter during his daily bicycle commute. So he decided to do something about it. In 2016, Ahlstrom began organizing groups to pick up trash while…

By Julia Griffin

Hundreds of music stars are expected to perform at the Live Earth concert over the weekend, which is set to draw attention to the world's environmental problems. A Rolling Stone editor discusses the cultural impact of the show.