To read

The 9 limits of our planet … and how we’ve raced past 4 of them | ideas.ted.com
http://ideas.ted.com/the-9-limits-of-our-planet-and-how-weve-raced-past-4-of-them/

TED - “For the first time ever, we might shift the planet from...
https://www.facebook.com/TED/posts/10155284431055652

Adventures In Flatland - Decline of the Empire
http://www.declineoftheempire.com/2014/10/adventures-in-flatland.html