methane
Putting a pricetag on greenhouse gas controls
The methane digester on a Wisconsin dairy farm is the jumping off point for a two-page New York Times story on ways to harness the free market to reduce greenhouse gases. The digester was built with money from a California initiative.
Wetlands have role in methane production
A study by a University of Guelph researcher, published in Global Change Biology, says wetlands are the likely source of a recent and surprising increase in emissions of methane.