Nature and EnvironmentLiving Planet: Toxic timesTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and EnvironmentSarah Steffen02/20/2020February 20, 2020How clean is our snow? Is it safe to eat for dogs? Scientists have found traces of dangerous substances in Lake Victoria, Africa's biggest lake. And what to do with Fukushima's radioactive water and other nuclear waste in our oceans.https://p.dw.com/p/3Y4UGAdvertisement