This one doesn't need salt. Scientists are not arguing about this subject. The best information available, from our best climate scientists, is widely available.

http://www.theguardian.com/commentisfree/2014/may/17/climate-change-antarctica-glaciers-melting-global-warming-nasa

http://environment.nationalgeographic.com/environment/global-warming/big-thaw/

http://www.ucsusa.org/global_warming/science_and_impacts/impacts/early-warning-signs-of-global-5.html#.Vva_ZSfUzgc