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Viewing posts from May, 2008

Tool testing

Posted by Peter Donovan 16 years ago

For the really big problem(s) that we face such as biodiversity loss, scarcity of food and water, land degradation, and climate change, the available tools might be crudely lumped into these four columns. The three rows are a crude simplification of Holistic Management testing guidelines. The last row is similar to the social weak link guideline. For example, if we want to provide incentives or payments for ecosystem services, it must first become conventional wisdom for the organization to disburse the money. Both New York City and Wichita, Kansas have invested in enhanced water catchments rather than in expensive filtration plants to improve city water supplies, for example.

Water cycle experiment

Posted by Peter Donovan 16 years, 1 month ago

Canadian prairie soils: historical perspective by Henry Janzen

Posted by Peter Donovan 16 years, 1 month ago

A fascinating and detailed paper by Henry Janzen of the Lethbridge research station in Alberta. Early researchers noted a loss of organic matter and nitrogen availability upon cultivation.

Can we unscramble the egg?

Posted by Peter Donovan 16 years, 1 month ago

If we quit adding carbon to the atmosphere, it won't stop global warming anytime soon. That's why people are hoping that there are ways to get the extra carbon out of the atmosphere, and that we can put these billions of tons of it somewhere safe.