Any system, biological, economic, or social, that gets so encrusted that it cannot self-evolve, a system that systematically scorns experimentation and wipes out the raw material of innovation, is doomed over the long term on this highly variable planet.
Donella MeadowsA knowledgeable and courageous U.S. president could help enormously in leading the world's nations toward saving the climate.
Donella MeadowsSince the Earth is finite, and we will have to stop expanding sometime, should we do it before or after nature's diversity is gone?
Donella MeadowsBiodiversity can't be maintained by protecting a few species in a zoo, or by preserving greenbelts or national parks. To function properly, nature needs more room than that. It can maintain itself, however, without human expense, without zookeepers, park rangers, foresters or gene banks. All it needs is to be left alone.
Donella Meadows