Creeds-Ends Fit and The Problem of Leakage

"The predominant moral issue of the 21st century, almost surely, will be climate change" - James Hansen http://www.huffingtonpost.com/dr-james-hansen/obamas-second-chance-on-c_b_525567.html

almost surely

normative - should -

normative take on normative change

what needs to happen for that to happen, though?