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Viewing posts by Peter Donovan

James Lovelock on the separation of biological and physical science

Posted by Peter Donovan 16 years, 9 months ago

Lecture to the Royal Society in October 2007 by James Lovelock. "Climate change on a living earth," 65 minutes. Lovelock eloquently depicts the fragmentation of scientific understanding, which makes us unable to grasp global heating or to counter it. "In our hubris, we believe that we can be stewards of the earth long before we understand it."


Carbon cycle graphics

Posted by Peter Donovan 16 years, 9 months ago

Attached are several diagrams of the carbon cycle.


Garnaut stresses importance of measurement

Posted by Peter Donovan 16 years, 9 months ago

Says Prof. Ross Garnaut in Australia, who heads an independent commission on climate change commissioned by Australia's Commonwealth, State and Territory Governments:


Measuring or estimating soil carbon

Posted by Peter Donovan 16 years, 11 months ago

How do you measure or estimate soil carbon?


Liquid, mycorrhizal carbon not often recognized

Posted by Peter Donovan 16 years, 12 months ago

Christine Jones published an article in the Australian Farm Journal that may help to explain why the assumption is widespread among agricultural scientists that soil carbon cannot be increased quickly. The Roth C model, for example, ignores the role of mycorrhizal soluble carbon, focusing entirely on biomass input for humification: