N-ST*R tests mineralizable soil nitrogen, enabling farmers to better calculate the amount of nitrogen that should be applied to rice crops for maximum yield but no excess that might be carried away as runoff.
Groups cite flawed Bush-era decision for denying Endangered Species Act protection to ribbon seals.
Hydro International says East Treatment Plant will be the first facility in the United States to install the system, which is commonly used in the United Kingdom.
Tapping Bigleaf maples, which generate a steady voltage of up to a few hundred millivolts, University of Washington researchers developed a boost converter and used the stored power to operate low-power sensors.
EPA and the U.S. Army Corps of Engineers will discuss these permits, which may pose environmental concerns for water quality and affected ecosystems.
Over the next few weeks, the American Water Works Association is hosting Webcasts on membranes and distribution systems.
In May, President Obama established a committee of federal agencies to develop a plan for restoring and protecting Chesapeake Bay and they now have proposed strategies to accelerate cleanup.
The U.S. Environmental Protection Agency says an initial review shows that 79 projects in Appalachian states would likely cause water quality impacts.
George Mason University professor suggests strong leadership, a product label policy and tools to implement sustainability practices would be helpful.
Professor says halophytic micro-algae can be grown on municipal wastewater and may serve as a biofuel feedstock.
The U.S. Environmental Protection Agency and other agencies have released a smart growth guide that will help coastal and waterfront communities tackle threats from sea level rise, stronger hurricanes, flooding and other challenges.
George W. Stokes Company ordered to pay $1,800 for violating the Spill Prevention, Control and Countermeasure regulations of the Clean Water Act.