Conservation & Green Economy

Californians Favor Global Warming Rules, Unless Gas Goes Up

Californians continue to strongly support their state's efforts to reduce greenhouse gases -- until they find out it involves higher gasoline prices, according to a new environmental survey.

Stop-Start Engines Save Gas, Reduce Emissions

Automatic stop-start systems in automobiles provide a 5 percent to 7 percent improvement in fuel economy and a similar reduction in carbon-dioxide emissions, according to new research from AAA.

New Safety Rules Proposed for Oil Trains

Thousands of older rail tank cars that carry crude oil would be phased out within two years under U.S. regulations proposed Wednesday in response to a series of fiery train crashes over the past year.

N.D. Pipeline Leak Could Take Years to Clean Up

The site where an underground pipeline leaked 1 million gallons of saltwater into the North Dakota badlands earlier this month was one of the largest oil field spills in state history.

New Orleans Joins Butt Recycling Program

In New Orleans, discarded cigarette butts are being turned into something useful as the first of 50 butt recycling receptacles was installed downtown on Monday.

World Breaks Monthly Heat Record Again

All 12 of the world's monthly heat records have been set after 1997, more than half in the last decade. All the global cold monthly records were set before 1917.

Chatham Shark Frenzy Gives Tourism a Boost

As sightings of great white sharks mount off Cape Cod, businesses in the Massachusetts town of Chatham are embracing the frenzy.

Oil Exploration Off US Eastern Coast Approved

The Obama administration has sided with energy developers over environmentalists, approving the use of underwater blasts of sound to pinpoint oil and gas deposits in federal Atlantic Ocean waters.

EPA Could Restrict Huge Alaska Mine

The U.S. Environmental Protection Agency said Friday it is proposing restrictions that would essentially block development of a gold-and-copper mine near the headwaters of a premier salmon fishery in Alaska.

Sonic Cannons OK'd for Oil Exploration

The White House on Friday approved the use of sonic cannons to discover offshore oil deposits by shooting sound waves 100 times louder than a jet engine through waters shared by endangered whales and turtles.

Mysterious Crater Opens in Siberia

Russian scientists believe a 66-yard-wide crater discovered recently in northern Siberia could be the result of changing temperatures in the region.

Japanese Nuke Plant Gets Preliminary OK to Restart

Japan's nuclear regulator said two reactors at a nuclear power plant shut down in the wake of the Fukushima nuclear plant meltdown three years ago are safe enough to switch back on.

California Imposing Fines on Water Wasters

California makes wasting water a criminal infraction, subjecting water wasters to fines of up to $500 a day.

Texas City Council Rejects Partial Fracking Ban

The Denton, Texas, city council rejected a bid Wednesday morning to ban further permitting of hydraulic fracturing despite wide public support for the measure.

Across the United States, Black Bears Moving In

Black bear sightings are on the rise thanks to an increase in population and are being spotted where they haven't been for generations.

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