BIOPHYSICAL GEOENGINEERING COMPOSITIONS AND METHODS Zero Geoengineering Posted on July 5, 2018 by Jolie DianeJuly 5, 2018 United States Patent US 8,535,107 B2 September 17, 2013 Described here are compositions, methods and apparatus for biological and physical geoengineering. Link To Patent Share this:FacebookTwitterTumblrRedditEmail Related