Chapter 5. Eroding Soils Darkening Our Future Lester R. Brown www.earth-policy.org/books/fpep/fpepch5 Over the next several weeks, we will be releasing Full Planet, Empty Plates: The New Geopolitics of Food Scarcity by Lester R. Brown in installments. Look for a new chapter about every other week. Supporting data, videos, and …
Civilization’s Foundation Eroding
www.earth-policy.org/index.php?/book_bytes/2010/pb4ch02_ss2 By Lester R. Brown Earth Policy Release Book Byte The thin layer of topsoil that covers the planet’s land surface is the foundation of civilization. This soil, typically 6 inches or so deep, was formed over long stretches of geological time as new soil formation exceeded the natural rate …