March 3, 2020: The Biggest Risks Scientists See
Future Earth project reveals five top risks seen by worlds top scientists. The front-line threats outlined by Nobel-prize-winning scientist Diana Liverman from the University of Arizona. Then Dr. John Wien’s on a shocking study: One-Third of Plant and Animal Species Could be Gone in 50 Years. How many of natures creations will survive by 2070? It is up to us. Alex reports on the warmest winter on record and threats to world food.