Paul Beck with explains the severity of ice melt in the arctic...and what is now occurring which is a RAPIDLY warming planet and the consequences of that...we have, I think, a window of about 15 years at best...of real concern, of course, is  GREED/MONEY- that corporations, who run the major  polluting countries of the world will not change and control the politicians with MONEY to protect their continuing profits.
https://www.youtube.com/watch?v=xKllxh_NWA8