These are the type of scientists I like.
"The rapidly melting Arctic is an “economic time bomb” that will cost $60 trillion or more over the next 10 years, say a group of European economic and science researchers."
http://www.cbc.ca/news/business/stor...ting-cost.html
When people actually put a number up in a reasonable time frame that we can go back to compare the guess.
"Gail Whiteman, of the Rotterdam School of Management at Erasmus University in the Netherlands, Chris Hope of the Cambridge Judge Business School and Peter Wadhams, a professor of ocean physics at University of Cambridge"