The U.S. Green Building Council announces that a not-too-shabby 20,000 residential building projects have been bestowed with LEED for Homes certification and t

Calgary will be getting yet another show-stopping skyscraper, this one a LEED Platinum-exceeding mixed-use development designed by Bjarke Ingels Group.

Ever wonder why mountains are as tall as they are? Why is the tallest mountain on Mars nearly 3 times higher than Mount Everest? MinuteEarth has the answer.

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

From curious kid to giving back, to advisor to Apple computers, Jackson shares her path to leadership.

Regardless of where you live, there are birds to admire. Here are some tips to begin watching, including 5 useful apps to try.

A survey of general scientific knowledge found that Americans aren't so science-savvy. How will you do?

A water molecule's "residence time" in a given system can help us understand how pollution moves through water and help protect this valuable natural resource.

Aerosol air fresheners contribute to, rather than reduce, indoor air quality problems. And they often contain toxic chemicals like formaldehyde and xylene.

Extreme weather journalists are not the calm we need during a hurricane or storm.

It's not the smartest thing you've ever done, but here's why this winter mishap happens, and how you can get out of it in one piece.

Animals use the same wait-your-turn system that most humans do, say scientists who reviewed a series of animal studies.

You're not imagining it when the world falls into a hush during a snowfall.

Ethanol subsidies are such a wedge issue in Iowa that one candidate says he will stay away.

When the 43 NASCAR drivers start their engines for Sunday's Daytona 500, they will be doing so for the second year with American ethanol-blended fuel in their g

Probably not, but one enthusiast is organizing a petition to make the social networking site consider the idea.

Maybe carbon offsetting isn't as fool-proofed as many businesses would like people to believe.

Private brokerage service Ecostreamjet purchases carbon credits to offset emissions generated by each flight.

Power Trip is a fascinating journey through our incredibly complex relationship with oil, energy and everything in between.

Rarely use your car but keep it around for emergencies? Try a car sharing service.

Traffic driving you crazy? Let MNN get you on track to a more astute commute with these carpooling and public transit tips.

Morieka Johnson can help you maximize those trips to school, tae kwon do, gymnastics, soccer ...

Many city dwellers are opting to give up driving their own cars for a month to take Zipcar's Low-Car Diet challenge. Could you go car-lite for 30 days?

Uber and Lyft are both offering discounted ridesharing services. Today in San Francisco; tomorrow the world.

The key question isn't why Tesla stock dipped below $200, but why GM and Ford are at $30 and $14.

Is this the start of a trend in which automakers make money retrofitting older cars?

Exciting new hybrids from Mitsubishi, Kia and Volvo are the talk of the Windy City.

Charge Across Town is cutting carbon emissions with mobile charging. Just respect the two-hour limit.

These plug-in supercars are big on sex appeal and horsepower — but you've never heard of the companies that make them.

how to sell electric cars

If imitation is the sincerest form of flattery, then Elon Musk is likely blushing.

As CES proves, the gadgets are more important than the color and the trim package.

The Detroit and New York auto shows may have the new car introductions, but Washington has the politicians.

Electric cars are really shooting off into the stratosphere, and it’s all Elon Musk can do to keep up.

Electric carmakers need more cobalt for their lithium-ion batteries. Tiny Cobalt, Ontario, aims to become a sizable supplier.

Escaped camel, cow and donkey in Kansas are 'halfway towards a live nativity.'

With its edible veggie walls and lack of traditional HVAC systems, Carbon Positive House aims to "free us of modern day lifelines."

Sky City was supposed to be 220 stories and this building was supposed to be 97 stories; but there's more to building than just technical innovation.

In rural stretches of Connecticut and Tennessee, two nature-surrounded retreats built for retirees.

In a once iffy stretch of East Oakland, Tassafaronga Village stands as a model of affordable green housing done right.

Heatherwick Studio's mighty pretty design for Maggie's Centre Yorkshire resembles a cluster of massive potted plants.

Getaway provides a woodsy, off-grid respite from the concrete jungle.

Don't want to live in it anymore? Just covert it into a drive-through shaved ice stand.

Hydraulics give a British backyard potting shed a lift when needed.

From the man who brought you the giant tetrahedron on 57th Street...

How they can provide some space for the next generation as well.

Despite inherent flaws, House in the Tree is a fanciful fir-based escape.

From Apple's Spaceship HQ to GE's Boston campus, these solar-integrated designs are raising the bar.

New high-rise called Tao Zhu Yin Yuan (“ The Retreat of Tao Zhu”) by Vincent Callebaut provides luxury housing and 'hope for a better tomorrow' in Taiwan.

From the emphasis on nature to the secret location aspect, there's a lot to like about this off-grid lodging concept from Belgium.