Thanks for the tip, Dylan. Google reveals this excellent video: http://www.blog.thesietch.org/wp-content/permaculture.swf http://www.blog.thesietch.org/wp-cont

Thanks for the tip, Dylan. Google reveals this excellent video: http://www.blog.thesietch.org/wp-content/permaculture.swf http://www.blog.thesietch.org/wp-content/permaculture.swf Very cool stuff, worth checking out. And much better than pumping sulfur into the atmosphere . . .