Vancouver Observer: The last several years have seen climate change expand from a mostly "environmental" threat that engaged a small minority of the world economies, into a wide-ranging environmental, economic, moral and military threat that now has a sizeable majority of the world's economic powers committed.
Here's a look at what has changed since the last climate conference.
Spotlight: Paris 2015 vs Copenhagen 2009
What a difference a few years can make.
As my infographic below illustrates, international...