Nature and EnvironmentProtecting our butterfliesTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and Environment06/18/2016June 18, 2016As butterfly species are gradually wiped out, a new mobile app is helping to protect them. Citizens can upload pictures of butterflies in their surroundings and thereby contribute to a database.https://p.dw.com/p/1J83KAdvertisement