The Africa Centre for Holistic Management and Allan Savory have won the 2010 Buckminster Fuller Challenge. Congratulations to all involved, and may the recognition of the crucial importance of biosphere processes and biosphere work continue to spread.
In general, statistical accuracy increases with the square root of sample size. Doubling your sensitivity and accuracy quadruples your cost. It's a power law, not a normal distribution, and it pushes us toward extremes.