All the Dirt on Gardening

The Dirt is an online publication of the American Society of Landscape Architects. The ideas in the blog entry below are not without controvery, but they are different from most. You can click on the link above to read the entire column. Here are some excerpts - New Geoengineering Idea: Turning Deserts into Forests 11/20/2009 by asladirt "Leonard Ornstein, a cell biologist at the Mount Sinai School of Medicine in New York, and Igor Aleinov and David Rind, two climate modellers at NASA, argue that foresting the Australian outback and Saharan Desert would solve climate change. While numerous geoengineering schemes have been proposed to mitigate the adverse effects of greenhouse gas (GHG) build-up, many of the more ambitious ideas, including ocean-based aerosol sprayers, space mirrors, C02 air scrubbers, or artificial C02-capturing trees, have been examined and labeled cost-prohibitive or dangerous (see earlier post). Others ideas will work, are much cheaper on a small-scale, but re...