Hertz starts EV car-sharing programs in New York, San Francisco and Washington, D.C. I take the vehicles for a spin — and witness a cameo from the Charmin bea

I liked this small battery SUV fine, though it exhibited a mysterious slowdown. If charge times are speeded up and the price kept within reason, it should sell.

It's still early as electric and plug-in hybrid cars roll out, but it's time to call likely winners and also-rans.

Tesla made its first profit in the first quarter of 2013, the stock is soaring and Consumer Reports is raving.

New network will enable coast-to-coast electric rides and 20-minute charges. CEO Elon Musk is ramping up the timetable.

Squiggles, swoops, spires, waterfalls and some truly otherworldly latticework are just the beginning.

From arugula to kale, these tasty sprouts can fill your plate with nutrition.

Oil sands, international relations and energy policy make for a touchy visit in Ottawa.

The massive tsunami generated by the March 2011 earthquake off the coast of northeastern Japan was a "merging tsunami" — a type of tsunami long thought to exi

Using historical records and new technology, researchers have narrowed the cause of the "tidal wave" down to the epicenter of the spooky source's earthquake.

Pluto and its mysterious neighbors hold perhaps some of the most exciting astronomical discoveries to come.

New Horizons is the subject of "Mission Pluto," a special that will premiere July 15 on National Geographic Channel.

By keeping things compact, Matt Kirkpatrick and Katherine Bovee were able to splurge and have some fun when designing their boxy, prefab abode.

While hiking in New Mexico's Las Cruces desert, Jude Sparks tripped over a stegomastodon skull.

Based on our mostly destructive history of interacting with isolated cultures, we should stay away.

Guy Laramee's work speaks to the 'erosion of cultures' and our over-reliance on analytical knowledge, symbolized by the book.

The Environmental Defense Fund is developing a satellite that will regularly monitor 50 major oil and gas regions for methane leaks.

A report issued earlier this week caused quite a stir in the organic food world. See what some respected organic food advocates are saying about it.

Community fridges are like Little Free Pantries, but with electricity. They are one more solution to hunger and food waste.

Walmart leads the way in generating solar energy from its store rooftops, creating 65,000 kilowatts from the sun. Big-box retailers are often cast as the boogie

I’m making this trek to ask Maine Gov. Paul LePage to lead, follow, or get out of the way of clean energy development.

Coal helped create communities throughout Boone County, West Virginia, years ago but now mountaintop removal mining may be demolishing more than just mountains

With California-based OhmConnect, it's easy being green when you're also earning green.

This week, NASA is paying tribute to fallen astronauts who lost their lives in the pursuit of space exploration by holding a remembrance ceremony today (Jan. 26

Space shuttle Endeavour's trip to California has been delayed by a weather front in its way.

Space shuttle Endeavour has hit the road in Los Angeles to start its two-day journey to its new home.

NASA will join journalist Maria Shriver, tennis legend Billie Jean King and Grammy-award winning vocalist Patti Austin in remembering the life of Sally Ride.

Is responsible seafood the answer to our health and environmental crises? Author Paul Greenberg explores in a new PBS documentary, "The Fish on My Plate."

Using satellite data and machine learning, researchers have mapped the movements of over 70,000 industrial fishing vessels.

U.S. scores lower than many smaller and poorer countries on world motherhood rankings.

The U.S. tradition began in 1911, but many other cultures offer their own twist on the Mother's Day theme. Mexico's celebration in particular looks like fun.

If you want to try a triathlon, here's what you need to know about the event that combines swimming, cycling and running. Experts Erin Beresini weighs in.

The Gogoro Smartscooter doesn't have a plug; Instead, you swap batteries at a GoStation and you are on your way.

A 'capped inversion' trapped air pollutants near the ground.

Break out fresh limes and tequila for National Margarita Day — or any time you want one.

Due to history or legend, most countries are known for contributing something specific to the world. How many do you know?

If you find yourself glued to the TV when the Academy Awards roll around each year, this quiz might be your chance to shine.

We use calendars to keep track of our days, our weeks and our years. But how much do we really know about them?

Lightning is more than just a stunning spectacle. Take our quiz to see how much you really know about this electrifying natural wonder.

A dramatic film explores the physical and emotional challenges of living in a peak oil scenario.

The 57,000-acre San Andres Refuge, which works to restore desert bighorn sheep, launched its quest for energy independence in 2005 and has implemented several s

Toyota, Nissan, Honda and Mitsubishi are working together to dramatically expand the number of public chargers available in Japan.

Malaysia and the Philippines are forcefully rejecting trash from wealthier countries.

Certain scents can cause a rush of feelings — even if you don't always remember why.

Finnish scientists are studying the possibility of turning water droplets into digital bits and using them to power computers instead of electricity.

Video: Join Farmer D as he checks out the farmer's market in Savannah, GA.

A trip to Costa Rica reminds the author of the chemicals you avoid when buying organically grown products.

From your blood pressure to your vision, here's how barometric pressure might affect you.

A new concept takes the discussion out of the courtroom, where the battle has been fought for 20 years.

The now-permanent rules are just common sense, really.