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.

Researchers have managed to pinpoint the time you're most likely to meet a spider.

Two companies, both with ties to Denmark, produce low-cost enzymes that can greatly reduce the cost of environmentally friendly biofuels made from agricultural

MNN rounds up some of the Web's most useful tools for shrinking your footprint.

Olivine is a miracle green rock that absorbs carbon dioxide naturally from the air.

Video: Get your green tips from Amanda Seyfried and Olesya Rulin.

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?

Helsinki is experimenting with a plan to match people with rides, making cars unnecessary.

FlightCar leverages all those idle vehicles in the long-term lots, and it's a lifeline for frequent flyers.

The Korean electric car is a credible competitor to the Nissan Leaf. It's affordable, too, so let's break the California-only barrier.

Sales of plug-ins are a fraction of cars sold, but governments and industry are doing their part to make that number grow.

The introduction of the 2015 Kia Soul EV brings the notion of a practical, affordable all-electric car closer to the driveway.

Nine of the top 12 cars on the 2015 ACEEE list are either plug-ins or hybrids.

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

The rumor mill says an all-electric shortened Panamera could grace the show stage in Frankfurt, with 250 to 300 miles of range.

A ban on gas and diesel cars is the latest in Paris Mayor Anne Hidalgo's ongoing crackdown on air pollution.

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.

A tour of the Bullitt Center in Seattle confirms that it's as green as it can be.

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

Assembled as a local factory, the prefab housing units will house over 200 people at 3 different sites.

When people see animals everywhere in pop culture, they assume they're everywhere in real life.

It's a wild idea fraught with controversy, but Australia has the habitats and the protections in place to harbor these beasts.

Conservation efforts pay off for mountain gorillas, which have been re-classified from "critically endangered" to "endangered" by IUCN.

19 of the 450 remaining whales died from 2017-2018, pushing the species even closer to the edge of extinction.

In Florida, not even the iconic Florida panther — the endangered state animal — is safe from new development.

Companies looking to be more humane are trying out a gassing method instead of electric shock.

Give the real estate-fixated college graduate in your life a well-designed, practical gift that will be put to good use in their first post-grad abode.

After you've furiously torn through your holiday prezzies, plant Eden Paper gift wrap it in the backyard where it will grow into a patch of veggies.

You’ll refer to this guide that’s printed on biodegradable fabric with non-toxic ink almost every time you need to convert a recipe.

From animal welfare to marine protection to climate change, these environmental charities are sure to put your money to good use.

When you buy these presents, stocking stuffers and hostess gifts, you're also giving to charity.

These gift ideas are perfect for the people in your life who love nature and the great outdoors.

Blind brothers ask you to take a leap of faith to help find a cure for blindness.

Vanessa has a beef with meat, again.

In 1994, 12.9 percent of strokes occurred in adults between ages 20 and 55, whereas in 2005, 18.6 percent of strokes occurred in this age group, according to th

Climate change denier and Republican senator Jim Inhofe was given a cool reception by the foreign press corp when he hit Copenhagen last week.

A California agency's attempt to regulate train pollution is ruled out-of-bounds.

Find out how this small Maine liberal arts school achieved its goal of being 100% carbon-neutral ahead of a 2015 deadline.

Watch how this small, but fast-growing, Maine brewery is rolling sustainability into their operational DNA.

We don't want greenhouse gas emissions, but we do want energy. What if we could bury one to get more of the other?

Remember the subprime mortgage bubble? The carbon bubble might be our next $6 trillion nightmare.

What if we could turn our fuel emissions back into fuel?

Sorry to see 100-watt bulbs disappear from stores because they were energy hogs? LED bulbs will roughly match the 100-watters for size and brightness, but their

Although several manufacturers have plans to release long-lasting, energy-sipping LED A-Line bulbs that replace the near-obsolete 100-watt incandescent, Osram S

Firm in the belief that light should help you <i>live</i> in addition to see, two young eco-entrepreneurs have created a family of super-brainy, Bluetooth-enabl

For those who prefer their meteorological forecasts to be startlingly literal, check out this WiFi-enabled chandelier that magically produces indoor clou

NASA will replace the ISS's fluorescent bulbs with an array of LEDs

Here's what you can do with your incandescent bulbs as they fade away and are replaced by their more energy-efficient cousins.

Using a malware script, a security expert finds that wirelessly controlled — and supposedly totally safe — Philips Hue LED bulbs can be maliciously hacked.

Lin Guohui's Bulb Flashlight is just that: A screw-in 40W LEDreplacement bulb with a rechargeable battery that can be removed and used as a handheld torch.