Phosphorus
Lake scientists to Kegonsa: Lower your water quality expectations
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All lakes are not created equal. And in the Madison area’s Yahara chain, Lake Kegonsa is the redheaded steplake.
Development
Case study: How one developer plans to curb runoff into Madison’s lakes
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“Developers are often demonized, but I have probably planted more trees than 99 percent of citizens and the city of Madison,” said Wall, the 2009 recipient of the Governor’s Award for Excellence in Energy Efficiency and a one-time Republican U.S. Senate candidate who lost to Ron Johnson. “There is nothing worse than a town filled with concrete.”
digesters
How to make a digester profitable: Veggies and poker chips
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The greenhouse and its veggies are one example of a new cottage industry popping up across the country to capitalize on the waste energy, methane gas and the nutrient-rich solids that are emitted from a digester.
Dairy
Manure digesters seen as best hope for curbing lake pollution, but drawbacks remain
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Since 2001, manure digesters have been popping up across the state. Wisconsin now has 34, the most in the nation, with two more scheduled to begin operating by 2015. In all these digesters, bacteria eat biomass like manure, food scraps or whey and emit energy in the form of methane gas.
Murky Waters
Yahara beach closures highlight algae, bacteria threats statewide
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The Yahara lakes — Mendota, Monona, Wingra, Waubesa and Kegonsa — are no clearer than they were 30 years ago, despite intensive efforts to improve them.