Viewing posts by
Peter Donovan
Posted by
Peter Donovan
15 years, 5 months ago
Australian soil scientist Christine Jones has a new paper out that summarizes much of her conclusions about the soil carbon opportunity
Posted by
Peter Donovan
15 years, 6 months ago
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.
Posted by
Peter Donovan
15 years, 8 months ago
An excellent interview of Allan Savory by Jonathan Teller-Elsberg deals with the difference between reductionist research and process-oriented management, and brittle and nonbrittle environments. Savory discusses why reductionist research and conventional paradigms limit innovation.
Posted by
Peter Donovan
15 years, 8 months ago
Filmmaker John Liu has documented the World Bank's $500 million loess plateau watershed rehabilitation project since it began in 1995. He has made at least two compelling films about the project, including a 22-minute version was shown at the recent Copenhagen climate conference, and a more detailed 52-minute version.
Posted by
Peter Donovan
15 years, 9 months ago
In the Sacramento Delta of California, a freshwater tidal marsh thick with tules and other marsh vegetation formed carbon-rich peat soils 60 feet deep in places. In the 1870s, farmers began to build dikes, drain the marshes, burn the tules, and farm the peat soils.