Nature and EnvironmentInspiring clean air solutionsTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and Environment12/19/2019December 19, 2019Engineers and scientists are coming up with creative solutions on how to clean our air more frequently. Some of them are almost artistic and some are inspired by nature, such as by algae or spider webs.https://p.dw.com/p/3V336Advertisement