Soil is at the bottom of the food chain, yet it is the cornerstone of life on earth

It takes 500 years to produce just under an inch of topsoil, this is the most productive layer of soil.

Mark Garrett on Permaculture

Interviewed for That Crazy French
Mark gives us an introduction to permaculture, explains what real sustainability means and shares tips on how he is applying the philosophy to the tiny desert island in the middle of the Indian Ocean.
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