Pollution-eating moss in Dresden08/08/2016August 8, 2016A Dresden company is testing so-called "City Trees" which each contain a specially bioengineered moss equivalent to 275 real trees. What's so special about it? Well, the moss "eats" pollution. Find out how it works.https://p.dw.com/p/1JdK1Image: DW/C. RöderAdvertisement'Eating' pollution: City trees for DresdenTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video