Terraforming Methods
No matter how...http://en.wikipedia.org/w/index.php?title=Earth&oldid=49782882http://en.wikipedia.org/w/index.php?title=Earth&oldid=49782882http://en.wikipedia.org/w/index.php?title=Earth&oldid=49782882http://www.dartmouth.edu/~humbio01/s_papers/2001/budzik.pdfhttp://www.dartmouth.edu/~humbio01/s_papers/2001/budzik.pdfhttp://www.users.globalnet.co.uk/~mfogg/gallery.htm