Butterfly rescue06/17/2016June 17, 2016It's hard to imagine a world without the glorious color and silent flutter of butterflies. Yet, loss of habitat and use of pesticides is killing them off. In Austria, people are using an app to try and buck the trend.Copy linkPrefer DW on GoogleImage: picture alliance/blickwinkel/A. HeldAdvertisementProtecting our butterflies01:24This browser does not support the video element.