Nature and EnvironmentTampering with natureTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and EnvironmentProducer/Presenter: Irene Quaile 03/23/2017March 23, 2017Did human-made warming cause Peru's devastating flooding? Why alien eucalyptus trees have caused havoc in Cameroon, and is the weed killer glyphosate really safe for humans and the environment?https://p.dw.com/p/2ZoQaAdvertisement