Blog
Good for ducks; not so good for water quality
Artificial wetlands, constructed to create wildlife habitat or to mitigate drainage elsewhere, often do little to improve water quality, new research from the U.S. Geological Survey concludes. The problem is … Read more
Video profiles Dave Legvold
Dave Legvold, a Northfield-area farmer, measures his corn crop’s success in dollars, not bushels. And that often means limiting nitrogen fertilizer use in ways that save him money while also … Read more
Chesapeake clean-up planned
Officials of six states and the District of Columbia whose waters flow into the pollution-damaged Chesapeake Bay are working on a bay clean-up plan they expect to complete this fall. … Read more
Star Tribune editorializes on nitrogen pollution
The Star Tribune, in a July 12 editorial, praises what it calls a “painfully honest” appraisal by the Minnesota Pollution Control Agency of our state’s nitrogen pollution problem. The report, … Read more
New USGS report on streams
A new U.S. Geological Survey report on the water quality of rivers and streams across the country describes damage caused by reductions in flows and increased pollution from fertilizers and … Read more
Cover crops work, users say
Cover crops – typically grasses sowed into corn and soybean fields after the fall harvest – could reduce nitrogen losses to Minnesota streams and rivers by 10 percent if the … Read more
Major report documents extent of Minnesota nitrate pollution
Nitrate – much of it from fertilizers applied to farmland – pollutes many Minnesota rivers and streams and contributes to the oxygen-depleted “dead zone” in the Gulf of Mexico, a … Read more
Court rules in wetlands case
The U.S. Supreme Court has ruled unconstitutional a Florida conservation district’s demand that a landowner take substantial steps to mitigate the loss of wetlands the owner planned to develop. The … Read more
L.A. plans huge groundwater clean-up
The Los Angeles water utility plans to spend $600 million to $800 million to clean up groundwater contaminated by industrial pollution in the San Fernando Basin, a federal Superfund site. … Read more
Nutrient credits eyed in Pa.
Read an interesting article from Pennsylvania about a proposal for the state to sponsor long-term, large-scale nutrient-credit trading to help clean up Chesapeake Bay. The article is from Lancaster-ONLINE, published … Read more