Radioactive groundwater: Why are steel tanks at Fukushima leaking radioactive water after only two years? There's too much radioactive water to store, some will have to be dumped in the sea, say officials.
A sinkhole caused by heavy summer rains created voids beneath the surface of a highway in Tennessee. But once called in by a motorist, the I-24 sinkhole grew rapidly from shallow depression to a hole that took a day's work to fix.
Yosemite area wildfire destroys two homes and sends tourists, residents packing. Although officials haven't closed Yosemite, wildfire has forced the closing of one of three entrances to the national park.
The Florida Keys Mosquito Control District is considering using unmanned drones to target mosquitoes. The drones would spot breeding grounds, which would later be tested for eggs, and then sprayed with bacteria.
Marcellus Shale natural gas production levels are beating expectations so far this year. The natural gas boom from the Marcellus Shale across Pennsylvania, West Virginia, and other states is changing the country's energy landscape.
Fukushima workers were exposed to small amounts of radiation Monday while conducting cleanup work at the nuclear power plant. Officials said they're still investigating how workers were contaminated at the Fukushima Dai-ichi nuclear power plant.
Silver fire was estimated at nearly 22 square miles Thursday with 20 percent containment, but the direction could change in the area. Evacuation orders were issued in five towns around the Silver fire.
Potash cartel upended as Russia's Uralkali drops out of the Belarusian Potash Company, heralding a price war for the key crop nutrient. The break-up of a major potash cartel leaves North America's Canpotex as the dominant potash export venture.
U.S. accuses JPMorgan: Federal Energy Regulatory Commission says JPMorgan traders manipulated electricity prices. JPMorgan Chase & Co. agreed to pay $410 million on Tuesday to settle the claim by U.S. energy regulators.
A Florida gas plant explosion sent 'boom after boom after boom' through the central Florida neighborhood around it early Tuesday. Several people were injured in the Florida gas plant explosion, with at least three critically injured.