Every year, the number of green college programs — and the number of students enrolled in them — rises, as careers in environmental policy, sustainability,

Using public data from the U.S. government, a software engineer has made a stunning map of every river in the Lower 48 states.

The Energy Information Administration said on Wednesday that U.S. ethanol production was down about 1 percent.

Personal car-sharing spreads in the U.S., from California to Oregon and, very soon, to a neighborhood near you. The concept of hiring out your own vehicle has p

A new USS Destroyer class, the DGG 51, boasts a hybrid-electric engine to conserve fuel on the high seas.

Next time you see one of UPS' iconic big brown delivery trucks, look closely because it may be one of the 200 new hybrids hitting the streets of American cities

Offshore wind power poses no major environmental or socioeconomic risks for the U.S. Mid-Atlantic coast, a new Interior Department study reports.

Unlike the current patchwork of river protections, the National Blueway System will cover entire rivers 'from source to sea,' including their watersheds.

The Chokecherry and Sierra Madre project could include up to 1,000 wind turbines, which would make it the largest wind farm in North America.

The U.S. has become the pre-eminent blocker to this year's UN climate negotiations, but new scientific analysis and a growing civil society movement could force

The head of Duke Energy says Americans don't have the attention span to take on crafting a meaningful energy policy.

Energy-related CO2 emissions will be 7 percent lower than their 2005 level of nearly 6 billion metric tons in 2020, according to new government data.

Christmas is the season for many things, including a massive carbon footprint.

A 1,400-square-mile stretch of unspoiled wilderness in central Idaho has been designated as the nation’s first International Dark Sky Reserve.

The online retailer's new 'Election Heat Map' uses book-sales data to reveal a widespread Republican streak among its American customers.

A new report hints at the growing economic clout of renewable energy.

Climate change is enabling a beech boom, according to a 30-year study, and that may spell ecological trouble.

The bizarre, unexplained sounds that harmed American diplomats working in Cuba may have come from the Indies short-tailed cricket.

As a wall goes up dividing the U.S. and Mexico, a range of environmental concerns are surfacing. Conservation photographer Krista Schlyer documents the impact.

These plants are surprisingly common, yet just one taste — or even a touch — will send you to the hospital.

In which we reveal that charming Swedish girls wear lightbulb crowns and Austrian men dress like furry devils.

The northern snakehead, a voracious invasive species that can live out of the water for days, is showing up in several states.

Stephen Ritz, author of 'The Power of a Plant,' developed a curriculum for indoor gardening that is changing lives and improving schools.

We get why the artists chose this common vegetable to represent America, but if you could choose a food, what would it be?

It's about time somebody looked at shopping as a separate transportation category. It turns out to be a major energy hog.

The ultra-efficient XL1 is on the market, but only in Europe. A 4-seat XL2 could come here at a lower price. Should Elio be worried?

Abraham Lincoln helped the country become the scientific and engineering powerhouse we know today, says Astrophysicist Neil deGrasse Tyson.

Infant and adult morality rates both dropped in 2014 though overall life expectancy held steady.

Donald Trump's ego is extreme, he may be a bellwether for politicians as a whole, and the U.S. public as a whole.

Seafood fraud remains rampant in the U.S., according to a new investigation by Oceana, with one in five samples mislabeled.

Some farmers markets stand out for their size, diversity or the incredible quality of their products. You'll love these can't-miss farmers markets.

The Berkeley-trained, Nobel-winning physicist is planning a return to academia as well as California, but says he'll stay on at the DOE for a few more weeks.

Forty-one states are battling widespread influenza outbreaks early in virus' season.

Six more weeks of winter, eh? The bizarre weather outside is more like spring, with a blizzard in Denver and tornado warnings and watches elsewhere all in the s

The EPA decided this week to limit cancer-causing emissions from hydraulic fracturing, aka 'fracking,' but its new rules won't take effect until 2015.

Wave power has the potential to supply 25 percent of the nation's energy.

After decades of testing, agency says 50 remaining chimps will be retired to a sanctuary.

The breeding of these extremely rare, enormous insects is one of the most inspiring stories in the history of conservation.

In the 1930s, the National Park Service created master plans for each U.S. national park that showed and explained the vision for development of each park.

Americans are experiencing one of the worst allergy seasons in years. Here are the 12 worst cities out of 100 ranked by the United States for allergy sufferers.

The U.S. Women's Soccer team got a visit from service dogs in training before their match Thursday.

While parts of the country were still sweltering, the West was hit by a weekend snowfall.

Video shows a dragon made of snow with fireworks coming out of it as a massive snowstorm moves through the northern U.S.

Noting that bees are 'dying at alarming rates,' federal judges have rejected the EPA's approval of sulfoxaflor.

Beijing turns to Brazil to make up for its shortfall in U.S.-grown soya beans.

A new study finds dramatic benefits locally from shutting down coal plants.

Flying with a dog, whether a pet or a service animal, is not easy. But airports can be surprisingly accommodating to your four-legged friend.

Therapy dogs are becoming more common at airports, but some other, more unusual animals are also helping to relieve travelers' stress.

Other countries have already installed thousands of offshore turbines. Will the U.S. be next?

Storm-related blackouts are expensive. But then, so are buried power lines.