May 2014
City leaders are now recognizing environmental and climate change issues and are trying to incorporate them into their policies and systems.
http://www.sciencedaily.com/releases/2014/05/140529092812.htm
New challenges related to melting of polar ice
http://www.economist.com/blogs/freeexchange/2014/05/long-run?zid=313&ah=fe2aac0b11adef572d67aed9273b6e55
