George Monbiot claims that peak oil is no longer a major concern. Is he right?

Bike-powered devices often feel like hippy gimmicks. Yet for some communities, they offer an important glimpse of more resilient technology.

I knew that real-time data on our energy use would be interesting. But I wasn't sure how much it would actually save us.

Conservation efforts, especially in places as renowned as the Galapagos, have something of a reputation. It's developers vs. protesters, consumers vs. conservationists, people

is looking down at your phone really like putting an aardvark on your head?

After 52,696 steps, a review of a LifeSpan treadmill desk.

Oldest ever popcorn discovered in Peru tells the story of indigenous corn varieties versus gmo monoculture crops.

Spend 90 minutes in the eyes of an astronaut.

More than just a typical aurora, researchers have now figured what powers this stunning lightshow and where it comes from.

Nanotechnology breakthroughs have lead to a successful prototype of a device that could charge your cell phone with ambient noise or the conversations of users.

Scientists argue over whether some animals have the brains for suffering.

Over the past few years journalists and commentators have denounced bottled water as an environmental evil. I can count myself as one of those after my article about the greenhouse gas emissions from producing and transporting one bottle of Fiji water

Researchers look into whether the 'lunar effect' is based on superstition or empirical data.

But what will the handrail police say?

With an increase in salmonella cases this year, health officials are pointing the finger at hobby farmers, which isn't entirely fair.

We often criticize climate denialists for being anti-science, and yet many environmentalists reject science that clashes with their own worldview.

He started an institute for making the world more playful and loving.

This analysis looking at the real footprint of e-readers slaps us with a shocking reality check.

Between the industrial waste, rats, and lead dust floating around, I wasn't sure if I should start an urban garden. The question took me to an unexpected place.

Could TreeHuggers soon find themselves hugging a fake tree or idly philosophizing in meadows of artificial grass? More than 225 million square feet of Astroturf have been manufactured since the plastic carpeting made

From 50 million tons of e-waste generated annually to 350,000 cell phones thrown away every day, the numbers behind our digital addiction are staggering.

What's more fun than riding with 25,000 people through car-free streets on a beautiful day (and night)?

One of the great North-American cyclist cities has a big bash to celebrate bike culture!

The city wants to become a leader in electric transportation, part of a plan to cut greenhouse gas emissions by a third.

A partnership between Moisson Montreal and the largest grocery chains in the province will continue to salvage hundreds of tons of food that would otherwise be discarded.

Books aren't just for reading -- you can carve incredible works out of them too, as this artist has done with this 24-volume set.

And a big part of the pitch is sustainability and comfort.

They are one of the most iconic features of the city, but some of them are really scary.

You can work with other location independent workers and do some holiday good deeds at the same time.

Talk about slashing food miles; 'fresh from the roof' is as local as it gets.

The age of vehicular cycling is coming to an end; cyclists want equity, not equality

Electric bikes are the great leveller; a lot more people will be doing this.

Wood smoke is a huge source of particulate pollution and really shouldn't be in residential neighbourhoods. But the flavour...

This is the kind of gentle density we need.

Weed killer, it's what's for breakfast! Glyphosate found in 43 of 45 conventional oat products tested by EWG.

EWG tested 28 brands of conventional oat-based cereals; they all had glyphosate residue, most of them above healthy standards

Darya Pino of Summer Tomato prepared this terrific flow chart to help navigate the supermarket.Marion Nestle of Food Politics liked it, noting:

Katherine Salant writes in the Washington Post:Can a big house be green? Yes, but a smaller house will always be greener because fewer resources were used in its construction and less energy is needed to heat and

They are certainly more reflective, but that's not the only thing that matters.

Green roofs are wonderful things and lovely to look at, but there are other factors in play here.

Pioneers are already making inroads into the market. But once economies of scale kick in...

Kate Stohr, the co-founder of Architecture for Humanity, dropped me a note suggesting that I have a look at their Year in Review of their work in Haiti. I did, and couldn't help but come to the conclusion that it was really boring.. I mean really,

The palm oil situation is bad, but some people argue that it would be worse if replaced by other vegetable oils.

It's a number that's been thrown around a lot recently. There's a danger it will be misunderstood.

Because a fringe candidate is a climate denier, it's now a political issue.

A lot of websites are saying so, but there is no evidence that it ever happened.

The wind has never been this beautiful...

Along with climate-killing CO2, there are a lot of people-killing pollutants. Perhaps we should change our message.

How can we be moving away from fossil fuels and spending billions on building pipes for them at the same time?

Scientists will be able to easier monitor the population of penguins, thanks to a high-tech solar-powered remote camera setup.