Scrubbing wastewater of nitrogen is a potential business boon waiting to happen; it would help reduce energy use as well as air and water pollution.
Torrential rain pounding South Korea on Wednesday triggered landslides which killed 28 people and inundated hundreds of homes in the country's worst flood damage in decades.
The U.S. House of Representatives has passed a bill that limits the Environmental Protection Agency’s ability to enforce national water quality standards, giving upstream states greater authority over rivers than downstream states.
Cities can be of surprising help in soaking up carbon pollution.
An estimated 1,000 barrels or 42,000 gallons of crude oil has spread over nearly 100 miles along the flooded banks of the Yellowstone River in Montana.
The periodic flooding of Southern California's Salton Sea in the past may have pressured small “stepover” faults to trigger the San Andreas. A drier Salton has eased that pressure.
In New Mexico, fire and smoke has shut down the Los Alamos National Lab, and in Nebraska, floodwaters are closing in on the Fort Calhoun nuclear power plant.
Not even kryptonite can destroy this super-strength sweetener.
Two police officers had to be air-lifted to safety after a rescue brought them dangerously close to the edge of the falls.
The U.S. plans to open a floodgate to prevent the swollen Mississippi River from flooding major cities.