Two misfortunate advertising campaigns from Argentina use polar bears and tackiness to promote air conditioning.

It remains to be seen how green (or not) new Pope Francis aka Jorge Mario Bergoglio will be, but this photo of him riding the subway in Buenos Aires, Argentina, certainly makes a good ad for public transportation.

Showing other cities around the world how it's done.

This is a truly seismic change, and may mean some big changes in the oil sands and pipeline debates.

It's all about the amazing connections.

This stunning park isn't as famous as Banff and Jasper, but it has every reason to be.

Or is it all a big political show?

We've covered Jendarling's organic garment bags before. But with the holiday/travel season in full swing, their new chic Chelsea Girl collection, comprised of non-plastic garment and travel bags, is right on cue. For Jendarling,

Levi's new denim line will incorporate on average, eight 12 to 20-ounce plastic soda bottles per jean.

It's only happening in half the world. The rest of us can keep using plastic sticks. (Don't they know about ocean currents?)

This technique transforms used plastic bottles into beautiful jewelry by burying them into hot desert sand -- and the project creates a sustainable business for Saharawi refugees.

Indulging in a Western-style diet for 7 days impaired the brain function in healthy young people and made them want to overeat, researchers find.

When Governor Sonny Perdue of the US State of Georgia filed a legal complaint and then formally asked for the support of the Bush Administration to force the US Army Corps of Engineers to stop releasing water from Atlanta's Lake Lanier, perhaps he did

A Federal judge has ruled that seven Virginia homeowners made legitimate damage claims regarding corrosion of metal items in the home and personal inconvenience caused by use of

Is shopping so important that people have to die or get pepper sprayed?

The most prestigious prize in British architecture is given to the solidly green project rather than the flash in the pan.

A new book called "Dancing with the Devil in the City of God" shines the spotlight on the widespread environmental degradation occurring in one of the world's most geographically stunning cities.

A relentless sweet tooth, naïveté, and sneaky marketing are conspiring to create a health disaster in every corner of this country.

Owner of Timberland, Vans, and Dickies says it needs assurance that materials used in its products "don't contribute to environmental harm."

Evidently natural gas has a clean image that is being threatened by reality.

The tech pioneer turned investor talks meat, batteries, and cement.

Good for the Westons, owners of both, for doing the right thing by admitting their use of the factory and their willingness to help out.

This artist mixes and matches up jigsaw puzzle pieces from different vintage puzzles to create mind-bending collages.

We have standing room in landbuses, so why not airbuses?

Sure, it'll only have nine seats. But the low cost carrier expects larger electric planes in service by 2027.

It really isn't necessary but it sure is a lot of fun and you learn a lot. I am conflicted.

"Give the future, not presents."

"It's just an amazing, amazing thing that people have done."

Alex Steffen comes up with a term that really defines so much of what is happening (or not happening)

Using shipping containers for housing near a Danish rock music museum makes sense, sort of.

It is reflective and glows in the dark, perfect for "enhanced safety in traffic" -- and the dance floor.

With only two members of the species left, a successful egg harvest and fertilization could mean all is not lost.

It's time for swift and immediate action to protect marine life from further devastation.

The new technology would allow precise control over the transparency of windows and how much light is let in.

Whether for parental sanity or oceanic health, this is a powerful step toward a much better world.

You have heard of "fast fashion." Get ready for fast architecture in container-sized modules.

These flat-packed rest-and-recovery units could take the load off hospitals in a hurry.

A compact chicken coop for city dwellers that wheels around the yard and fertilizes soil is on display at "Dwell on Design" this weekend. The show's awards recognize

Even if the label of "maven" is painfully over-applied, there are people who still deserve it. Zem Joaquin, the stylish polymath behind Ecofabulous.com, is one of those few. Zem has been on the editorial side of mags like House and Garden, Domino, and

Meet Dopper, a Cradle to Cradle water bottle company that’s bringing clean water to Nepal.

It is all about the progression through the spaces.

Carved pumpkins are susceptible to rot, but there are ways to stave it off.

Bill Murray looks like he is enjoying the ride. Others might go a bit faster.

It may sound like an oxymoron, bringing sustainable practices to mining operations, but unless we all stop consuming resources immediately, mining is also not going anywhere. So this is good news: since 2007, Alcoa's Jamalco

Another reason that we have to use less of the stuff.

Jellywatch.org has tapped into the power of citizen scientists to collect data on jellyfish populations and you can help.

Smaller, faster, cheaper! Single board computer (SBC) innovations are jumpstarting a whole new wave of DIY devices.

So much intelligence and so much technology, to what end.

Our photo of the day comes from Merced, California.

Our photo of the day comes from Jackson County, Oregon.