If you only do one thing, collect rainwater.

To create a mess in which we perish by our own inaction makes nonsense of our claim to consciousness and morality

There are a few societies that show signs of having been very rational about the physics of construction and the physics of real life. Some of the old middle-Eastern societies had downdraft systems over whole cities, and passive, rapid-evaporation ice-making systems. They were rational people using good physical principles to make themselves comfortable without additional sources of energy.

Permaculture is a design system for creating sustainable human environments...Permaculture uses the inherent qualities of plants and animals combined with the natural characteristics of landscapes and structures to produce a life supporting system for city and country, using the smallest practical area.

When the idea of permaculture came to me, it was like a shift in the brain, and suddenly I couldn't write it down fast enough.

The value of land must, in the future, be assessed on its yield of potable water. Those property-owners with a constant source of pure water already have an economically-valuable "product" from their land, and need look no further for a source of income.

If you're dealing with an assembly of biological systems, you can bring the things together, but you can't connect them.