Dear Pablo: I have a tough one for you: shall we recycle our paper? There are both the CO2 and the chemical aspects to consider, and there's arguments against recycling paper in each case.

Deep overhang controls light, provides privacy for bedrooms upstairs.

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.

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.

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

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.

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.

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.

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.

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

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

There are approximately 2 million reasons to love trees ... but we'll start with these.

The planet is facing some major problems. Just how much impact can a single person's actions have?

A new study says it is, and we speak to one of the authors.

Has the Costa Rica Foreign Minister really just suggested that the Sea Shepherd founder might voluntarily go to Costa Rica to face trial?

The building is handsome and sexy, just like Bjarke. But this is Calgary, and you need a warm jacket in winter.

Who needs flying cars when you can have flying trains?

Image Source: Preserve Dear Pablo: Does recycling your toothbrush really make a difference? Doesn't mailing it back do more damage than the recycling avoids? It is true that mailing anything has an impact, but is it more than the recycling itself? To

They may be giving up four walls, but they are getting a lot in return.

Even armageddon has a silver lining.

It's a TreeHugger tradition, and it's time to declare our independence from these dangerous and polluting anachronisms.

The number of people flying between German cities has dropped 12 percent.

In a word, yes. We don't have to buy what they're selling.

Beware of the gilets jaunes, says Philip Stephens.

The meat vs. veggies debate is a lot more complex than it seems at first glance.

If e-bikes are going to replace cars, they should be taken seriously and maintained properly by people who know what they are doing.

Home-use pesticides many have worrisome toxins, so researchers set out to learn if the natural alternatives are effective.

Put your poop to work; it's fuel for a biological furnace.

Here's the drill on the Earth Drill toilet.

Shoppers like to think they're in control of their own food decisions, but there's actually a complex web of manipulations between supermarkets and food processors going on behind the scenes.

Less truly is more in this gem from Fresh Prince Studio.

Serious cooks are serious about gas, but it's time to give it up.

Surely there's a way to ditch our wasteful, disposable habits.

Who says you can't take it with you?

Or is it actually good for you?

Here's a handy calculator to figure it out, so that you don't have to fill the entire pickup truck with it.

In the internet of things, our water heater will talk to our dishwasher, and they will have something to say.