Our photo of the day reveals a butterfly of most beautiful contradictions.

Everybody should be doing this, planning for repairability from day one.

Researchers propose using the vibrations of the heart to keep pacemakers going, eliminating the need to replace batteries.

The last pack of wolves in a Michigan national park is near extinction. Should humans intervene?

Does the state of Michigan need a wolf hunt? Voters will get the chance to weigh in.

This could turn 5-7 billion square meters of glass in the USA alone into solar power plants, plus power your cell phone and other gadgets

Cut the grass will you?...Are you done edging?....Time to water the

After reviewing the major religions of the world's stances on the environment, it seems pretty clear to me that there are more commonalities than differences. In the realm of metaphysics there are genuine and significant

Globally, religious groups own 5-10% of the world's forests and influence much more.

Solar power is a wonderful thing but the benefits are not evenly distributed.

Microsoft decided that a good way to advertise its cloud-based Office 365 software would be to actually put a T-Mobile wifi router with 15 days of free wifi inside a magazine advert.

There's a lot to look forward to, but what should we expect to see more of in the short-term?

It may well be more Jane Jacobs and Stewart Brand than it is Bjarke Ingells.

Big business may be coming to the climate party late. But it is making its presence known.

Jeans into insulation, plastic bottles into coats – details like this make people more inclined to use the blue bin.

Unfortunately, people like the slogans a bit too much.

Reusability beats out biodegradability any day.

What's next after the coal purge?

Lloyd Alter would be so proud.

This doesn't seem right.

British scientists do the math and find that we come up short for cobalt, lithium and copper.

You already own the solutions. They are called feet.

Michael Pollan writes in the New York Times about the connection between the American diet and the cost of health care; Surprisingly, conservative writers like Marie-Josée Kravis are saying much the same thing,

The Mandometer was originally developed to treat eating disorders like anorexia and bulimia nervosa; it was developed to "teach patients how to eat and recognize hunger and satiety." There are clinics using the technology in Sweden, the USA and

The first Freakonomics book was a lot of fun; the second less so, as it sort of devolved into "if the scientific consensus and/or coast-hugging liberal elite are for it, we are against it" type of thing. Hence Freakonomics Watch; or perhaps it should

Michael Pollan's first food rule is simple: Eat Food, which he considers to be a different thing than what he calls edible foodlike substances, or "highly processed concoctions designed by food scientists, consisting mostly of ingredients derived from

Michael Pollan said in the Omnivore's Dilemma that if you eat industrially, you are made of corn. In Corporate Knights, "the magazine for clean capitalism", Toby A.A. Heaps picks up on this theme and looks at the causes

Now Michael Pollan's Food Rules wasn't my favorite book of his, but it was a best-seller and a new edition is being written--and Pollan is in general a fine writer. To help craft it Pollan is partnering with Slow Food USA for a user-generated portion

In an interview with Democracy Now!, Michael Pollan says taking back control of cooking may be the single most important step to help make our food system more sustainable.

Energy Star is regarded by consumers as one of the most reliable raters of electronics and appliances in terms of knowing how much energy a device consumes. The organization continually raises the bar (little by little, but still raises) on energy

Can hotels be 100% eco-friendly and affordable? I tried out Starwood's Element Hotel in NYC to find out how far a 411-room urban hotel can go green. The result is mostly positive with a few letdowns.

Drying clothes uses an incredible amount of energy, it's clearly a low-hanging fruit for conservation and energy efficiency efforts.

Artist Roland Roos finds broken things and fixes them—whether you've asked him to or not.

By now you've probably heard that adopting a vegetarian diet, or at least cutting way down on you meat consumption, is a great way to reduce your ecological footprint and get some great health benefits at the same time. Now

It was designed to stay cool without air conditioning, and the green roof was part of the strategy.

Finally, people are beginning to take this issue seriously.

But some people are beginning to take the issue seriously. Anthony Pak writes a good article about it for Canadian Architect.

A representative of the industry says I shouldn't be picking on fiber glass. He's right.

photo: J. Novak Food Freedom recently reported that Chavannes Jean-Baptiste, peasant farmer leader of the Peasant Movement of Papay (MPP) called the entry of Monsanto seeds into Haiti "a very strong attack on small agriculture, on farmers, on

Technological advancements, combined with an escalating climate crisis, suggest its time to revisit some once fanciful ideas.

Architects ignore it. "Heads of sustainability" ignore it. Critics have ignored it, but this may be changing.

When made from the right materials, buildings can be a solution, not a problem.

If 10 percent of Americans adopted these 7 changes, we could cut total domestic emissions by 8 percent in 6 years.

George Monbiot says you don't set targets in an emergency, you act.

Ed. note: We're now up to the sixth post in the Green Basics series of posts that TreeHugger is writing to provide basic information about important ideas, materials and technologies for new greenies (or those who just need a quick refresher). Read on

The local food movement, eating local, being on the "100 mile diet" or being a locavore are all synonymous with local food, whose consumption has risen to prominence as an

End goals for CO2 emissions are just one part of the picture. How fast we start moving toward them is just as important.

Brad Plumer looks at the issue of "outsourced pollution."

The goal could be reached even earlier, if Scots changed what they eat.

On a more positive note, the report also notes that population growth with stabilize sooner than expected, at about 8 billion people by 2042.