A look at this year's Casa FOA, an exhibition which combines charity and patrimony conservation showcasing the best architecture and design from the Argentine capital.

The campaign will promote locally-based alternatives to the global consumer culture, hoping to turn the stories into tools for action in other cities.

more images below Matteria, good design+smart materials online store, suggest a spicy Christmas this year, without forgetting the environment. Apart from the gorgeous cork advent candle holder, the cosy Finnish red felt slippers, and giftbags to spoil

Keep your cards, your cash, and your iPhone safe with these durable, water resistant accessories made from a renewable and sustainable material.

When it comes to chairs, this one's a corker.

Two of our favorite materials, cork and porcelain, are together at last in this clever travel mug.

When 16-year-old Sam Allen realized his devotion to fashion and the fight against global warming could potentially work wonders together he enlisted the help of a few friends and set out to create a line of clothing that would make a difference… Enter

Last month, a mountain lion was struck and killed by a car in Connecticut -- and new details have emerged suggesting the animal had an incredible, record-breaking journey before it met that sad end. Following the accident,

DNA testing of cougar crap left along a 1,055-mile trail has established that a young male Puma walked all the way from South Dakota to New England in search of a mate. The poor cat's

Unconventional sushi made out of Japanese knotweed, Asian carp and lionfish are the draw here.

A new study suggests a significant link between exposure to environmental pollution and an increase in rates of neuropsychiatric disorders.

We spend 90 percent of our time indoors. We should worry more about what we are breathing there.

Skylight manufacturer Velux says we need more light and fresh air.

A new study finds that ultra-fine particles increase the risk of brain cancer.

It's boxy, aluminum exterior hides a cushy bed, and a convenient galley kitchen -- all powered by the sun.

Emulating the same processes naturally found in rainforests, this prototype filters and cleans water of harmful pollutants.

Take a thermographic tour of my house to see why.

I was walking through the rainforest and saw something odd.

It talks a lot about cycling, but notes that we don't do nearly enough about walking.

A new 'eco tax' will raise money for less polluting modes of transportation.

It could move goods, transport hydrogen, reduce CO2 and water the lawn all at once.

The world is getting hotter. But if we need AC, we have to use it sparingly.

Shipping Containers are used as giant blocks to build a giant steel party room

From adorable baby sea turtles to lamps made of cow dung and 600-mile bike trips, it's been a wild ride.

And they figure out where to put it, because "future architecture means city-hacking."

It is a strange and wonderful experience where you don't know what's around the corner.

Made out of an old grain silo, this renovated micro-home is bursting with delightful creativity.

The green activist group's stunt seeks to draw attention to the devastation wrought by coal.

New report shows shocking amounts of coal pollution in U.S. waterways.

But this is probably not the last we will hear from him.

The award-winning DropBucket is a recycled cardboard trash can that can be reused and/or recycled.

These handy accessories tick all the boxes for ethics and eco-friendliness.

Whenever we talk about the production of cocaine fueling rainforest destruction, or the electricity consumption of indoor marijuana growing, many commenters decry that it is prohibition that causes these negative impacts, not the drug itself. There is,

Medellín has a great sustainable transportation vision for the future, and so far they seem to be executing it extremely well.

This simple, foldable bee box attracts roaming bee swarms with a pheromone lure, and helps beekeepers safely relocate bees.

Our photo of the day is a study in happy yellow.

And the air outside in urban London is pretty awful.

What's the best approach for dealing with this?

The pioneering site that brokers accommodation in private homes must now pay city hotel tax in San Francisco, according to a new ruling. What does this mean for collaborative consumption?

This NGO is doing wonderful work to bring sustainable tourism into the mainstream. It's time to start planning your next vacation!

From Hobbit holes to treehouses, these unique Airbnb havens promise a storybook escape.

Confirming what previous studies have shown, new research from the Union of Concerned Scientists shows that the main threats to tropical forests are no longer from

World consumption of animal protein is everywhere on the rise. Wherever incomes rise, so does meat consumption.

In every society where incomes have risen, the appetite for meat, milk, eggs, and seafood has generated an enormous growth in animal protein consumption. Today some 3 billion people are moving up the food chain.

A new initiative from the fast food giant aims to rethink the global meat industry. But is that even possible?

Despite the fact that livestock production contributes more greenhouse gas emissions than the entire transport sector, there is an appalling unwillingness to change eating habits in order to make a difference.

According to the research of author David Simon, the externalized cost of our animal food system totals about $414 billion per year, which is carried by all of us.

It turns out that it's probably beef fat.

Blending ground beef with mushrooms cuts both calories and carbon emissions. Oh, and lots of folks say it tastes better too.

Keeping your bike in tip-top shape means regular maintenance, preventative measures, and the occasional on-the-road quick fix.