How do you define sustainability? Various metrics suggest human society has a likely chance of sustaining its most important trajectories: http://radicaloptimis

How do you define sustainability? Various metrics suggest human society has a likely chance of sustaining its most important trajectories: http://radicaloptimism.org/wiki/Human_Society http://radicaloptimism.org/wiki/Human_Society See also The Rational Optimist by Ridley, The Improving State of the World by Goklany, etc.