Every Thursday, a new episode of Living Planet brings you environment stories from around the world, digging deeper into topics that touch our lives every day. The prize-winning, weekly half-hour radio magazine and podcast is produced by Deutsche Welle, Germany's international broadcaster - visit dw.com/environment for more.
With some people choosing not to fly and some trying to reduce emissions with carbon offsets, aviation is a hot topic among environmentalists. We ask how the industry is tackling its environmental impact and what the future could hold.