Desert Terraforming

IWhy

Drylands cover a large share of the Earth's land, and in many places the edge of the desert is moving outward. A desert has what every other kind of land wants: sun, space, and silence. What it lacks is water that stays, shade that holds, and soil that lives.

Those three things are old technology. People have built them by hand for thousands of years with ditches, stone lines, and trees planted in the right order. What is new is the ability to measure a site from orbit, to model where water will go before it rains, and to power a pump or a still with the same sun that made the desert.

A civilization that can make living land can stop fighting over it. That is why this pillar exists.

IIWhat we are building toward

A method, written down and open, for taking a plot of bare dry ground and turning it into ground that holds water, grows shade, and feeds people, using materials and skills a local community can keep.

The method has four parts. Reading the land: slope, wind, soil, and the path of water across a site, from public satellite data and from walking it. Holding water: earthworks that slow runoff and let it sink, from contour trenches to small check dams. Making shade: windbreaks, pioneer trees, and panels that make electricity while they shelter what grows beneath them. Making water: solar stills, condensers, and desalination where the sea is near, sized for a village and not for a city.

Each part is tested on a pilot plot, measured before and after, and published with the numbers.

IIIPrinciples

Leave the land richer than we found it. A method that drains an aquifer or salts a field is not terraforming.

Measure before and after. Soil moisture, canopy cover, water table, yield. If we did not measure it, we did not do it.

Prefer what a village can repeat. A ditch dug by hand and a tree that seeds itself outlast a machine that needs a part from abroad.

Work with the people who live there. The land has owners, neighbors, and a history. Nothing is imposed.

Be patient. A tree takes years. We will not report a result before the land has reported it.

IVCurrent work

The program is in its study phase. We are cataloging the dryland restoration methods that have been shown to work at scale, with what each one costs, what it needs, and where it has failed. We are designing a site-assessment method that combines open satellite data with on-the-ground soil and water measurements. We are drafting the plan for a first pilot plot.

No ground has been broken yet. When the pilot begins, its plan, its budget, and its measurements will be published here.

VHow to take part

If you know soil, water, dryland agriculture, or the practice of growing things in a hard place, we want to learn from you. The public channel for every pillar is github.com/AEON-7; open an issue there.

If you steward dry land and would consider hosting a pilot, tell us about it.

Sign in to the Forge to follow the program as the pilot design takes shape.