Credit: Silent Spring Institute
A new analysis shows that septic systems in the United States routinely discharge pharmaceuticals, consumer product chemicals, and other potentially hazardous chemicals into the environment. The study, published June 15 in the journal Environmental Science & Technology, is the most comprehensive assessment to date of septic systems as important sources of emerging contaminants, raising health concerns since many of these chemicals, once discharged, end up in
Summer is almost here, and you know what that means. Sun, sand and … a watery wasteland devoid of all life? Yep, this is the time each year when a team of federal and university scientists predicts the size of the so-called dead zone that will develop in the Gulf of Mexico later in the summer.
We’re waiting for that official prediction, but based on federal nitrate flux data and … [more…]
Photo courtesy Soil Health Partnership
KALONA, Iowa — Returns from conservation practices may be hard to quantify, and management challenges difficult to overcome, but Southeast Iowa farmers Steve Berger and Francis Thicke see viable solutions to preserve Iowa’s topsoil and reduce nutrient loss.
Berger and Thicke spoke at an event hosted by the Sierra Club of Southeast Iowa and the Iowa Valley Resource Conservation and Development at the Kalona Library … [more…]
Aerial picture of the Caernarvon Freshwater Diversion outfall canal (on the right) and the delta built by the diversion in Big Mar Pond. The photo was taken on July 17, 2014. Note the lush, green vegetation on the newly built delta includes wetland grasses and black willow trees. All of these plants colonized on their own, once the diversion built the land.
Within the scientific community, and among the general … [more…]