Nobel Ideas - David J. Gross, Nobel Prize in PhysicsTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video02/20/2016February 20, 2016„By 2050 we will be well on the way to relying on renewable-solar, wind. I'm optimistic that we are not totally insane as a species.”https://p.dw.com/p/1Hz8GAdvertisement