Paul Gilding: The Earth is full

Have we used up all our resources? Have we filled up all the livable space on Earth? Paul Gilding suggests we have, and the possibility of devastating consequences, in a talk that's equal parts terrifying and, oddly, hopeful.

here is his blog reflections on giving the talk: Will the techno-optimists save the world?
http://paulgilding.com/cockatoo-chronicles/will-the-techno-optimists-save-the-world.html