143. P.W.W. Clark and T.M. Scruby, Method and Machine for Changing Agricultural Mulch, U.S. Patent 6,202,344 March 20, 2001; 6,308,445 October 30, 2001.
144. ARM, Atmospheric Radiation Program, http://www.arm.gov, 2003.
145. Atmospheric Radiation Measurement Data Now Available On-line, AGU (American Geophysical Union), http:// www.agu.org/eos_elec/96209e.html, accessed November 6, 2002.
146. Surfrad Network General Information, NOAA, www.srrb.noaa.gov/surfrad, accessed December 4, 2001.
147. Radiation-Albedo, http:// www.wmo.ch/web/gcos/terre/variable/albedo.html, accessed December 15, 2001.
148. NASA’s Earth Observing System, NASA, nasa.gov/eospso, accessed December 4, 2001.
149. M.J. Felton, Eye in the Sky, Today’s Chemist at Work, pp. 28-32, July 2002.
150. J. Penner et al., Chapter 5, Aerosols, Their Direct and Indirect Effects, in: Climate Change 2001: The Scientific Basis, J.T. Houghton et al. (Eds.), Intergovernmental Panel on Climate Change, Cambridge University Press, Cambridge, UK, 2001.
151. D. Lazarus, The Desert Ecology: Another War Victim, San Francisco Chronicle, March 27, 2003.
152. CNN, March 2003.
153. R. Synovitz, Kuwait: Reporter’s Notebook- Coping with a Desert Storm, Radio Free Europe On Line, www.rferl.org, Feb. 28, 2003.
154. Nature Continues to Kick Up a Storm, People’s Daily Online, http://english.peoplesdaily.com.cn, accessed March 20, 2002.
5-15
155. T. Anthony, Severe Dust Storm Chokes Beijing, AP, Yahoo! News, March 20, 2003.
156. K. Hefling, Kuwait Sandstorms Tough for U.S Soldiers, AP, Yahoo! News, 2003, http://story.news.yahoo.com/news, March 7, 2003.
157. K, Davidson, Sandstorms- Test of True Grit, San Francisco Chronicle, p. 15, March 18, 2003.
158. Bay Skies to Come Alive with the Dust of China, San Francisco Chronicle, March 28, 2002.