Since the Earth is finite, and we will have to stop expanding sometime, should we do it before or after nature's diversity is gone?

George W. cares as much about climate change as you would expect from a Texas oilman

Models can easily become so complex that they are impenetrable, unexaminable, and virtually unalterable.

It is in this space of mastery over paradigms that people throw off addictions, live in constant joy, bring down empires, get locked up or burned at the stake or crucified or shot, and have impacts that last for millennia.

A knowledgeable and courageous U.S. president could help enormously in leading the world's nations toward saving the climate.

Mesarovic and Pestel are critical of the Forrester-Meadows world view, which is that of a homogeneous system with a fully predetermined evolution in time once the initial conditions are specified.

The European nations take climate change very seriously.