Temperatures plummeted up and down Eastern US, making it feel, at last, like winter. But this brush with Arctic cold won't last long at all.

The 4.0 Ohio earthquake this weekend was a reminder that activities related to hydraulic fracturing, or 'fracking,' can cause seismic faults to shift if not carried out carefully.

As urgency rises over need to halt the migration of invasive Asian carp into the Great Lakes, a new solution comes forward: Eat them. Asian carp could anchor a lucrative fishing industry, some officials and biologists suggest.

In any country, at the end of the proverbial day, both energy utilities and consumers are finally interested in the technologies that generate a kilowatt of electricity most inexpensively, all other considerations aside.

Global warming is playing a significant role in diverting much-needed wet winter weather away from the increasingly dry Mediterranean, a new study led by a NOAA scientist suggests.

As the most severe floodwaters in decades threaten to drown Bangkok's most famous market, observers worry that Thailand’s economy will also suffer.

As grasslands diminish on prairies and savannas around the world, an innovative ranching technique that reverses the environmental damage of desertification makes its way to the US.

Floods, landslides, and collapsed infrastructure killed at least 66 as of Sunday, with heavy rain to continue through Wednesday. Blogger Tim Muth looks at how El Salvador, one of the worst hit Central American countries, prepared for the rain and the impact it could have on harvests.

Contentious debates about "peak oil" aside, imagining how the world looks post oil is increasingly easy as alternatives to fossil fuel develop rapidly.

A massive fire at a chemical plant in Waxahachie, Texas, led to evacuations and worries about toxic fumes. But the EPA says there is no threat to the public so far.

A patch of oil has been documented about a quarter-mile northeast of the Macondo wellhead leased by BP. The company has provided a live feed of the Gulf well to officials, who could not see leakage.

While biofuel production is one of the rising energy stars of the 21st century, it is unlikely to become a significant source for China in the near future, as the country's arable land is devoted first and foremost to feeding the country's massive population 1.3 billion citizens, unless a feedstock can be found that grows well on marginal land.

Hurricane Irene has caused a reported four deaths so far. Officials warn that storm surges and flooding could be greater because of the new moon arriving Sunday night.

Hispaniola and the southern Bahamas are on alert, as hurricane Irene strengthened to a Category 1 storm Monday. It is forecasted to track 120 miles east of Cape Canaveral by late Friday.

Steady triple-digit temperatures and perennial dry weather across the West have forced environmentalists, politicians, and citizens to find new freshwater resources.

Although Shell has apologized for the North Sea spill, which has yet to be contained, the oil company's belated release of information is still drawing criticism from environmentalists.

After years of denials, China admits its Three Gorges project is destabilizing land around the 400-mile-long reservoir, prompting calls for more costly resettlements.

 Alternative energy (or renewable energy) is a new manufacturing industry paradigm that is in its infancy. However, the discussion is not new, and it looks as if the United States has positioned itself to be behind history on what can be a very promising industry for a stumbling economy.

Ranchers face the risk of starving cattle after drought, wildfire, and prolonged high temperatures scorch parts of the heartland. Water reserves were used to fight fires, leaving little for farmers.

The crippled reactors at Japan's Fukushima Daiichi nuclear power plant are stable more than four months after the devastating earthquake and subsequent tsunami rocked the north, says the plant's operator.