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The Arctic Hotel in Ilulissat, Greenland, is a charming little place on the West Coast, but no one would ever confuse it for a Four Seasons - maybe a One Seasons. But when my wife and I walked back to our room after dinner the other night and turned down our dim hallway, the hall light went on. It was triggered by an energy-saving motion detector. Our toilet even had two different flushing powers depending on - how do I say this delicately - what exactly you're flushing. A two-gear toilet! I've never found any of this at an American hotel. Oh, if only we could be as energy efficient as Greenland!

ABOUT THE PANEL DISCUSSION: Companies sometimes regard sustainability as "metaphoric low-hanging fruit," says moderator Peter Senge, and reach for a few easy targets to achieve cosmetic improvements. His three panelists describe how their corporations are attempting to embrace sustainability as more than just another high-profile, low-impact initiative that "goes right into an overloaded bucket."

We can't afford to think of business as the enemy. Businesses in many cases are realizing the importance of sustainability more quickly than the public sector which too often defines its view by outdated political philosophies. This video provides a great deal to think about.

Important article showing how and why it is important not to leave out the poor and disinfranchised living in urban communities in the greening of America. Excellent plans for urban development and opportunities for green jobs.

How much is the Earth worth to us? At a global conference in Bonn, Germany, representatives of 191 nations are discussing a revolution in conservation. By making a highly profitable business out of saving forests, whales and coral reefs, environmentalists hope to put a stop to a dramatic wave of extinctions.

When the Sentry Equipment Corporation in Oconomowoc, Wis., was considering how to light its new factory last year, the company's president, Michael Farrell, decided to try something new: light emitting diodes, or L.E.D.'s.

Plan C is a luminous book. Whereas so many other books on curtailing energy usage simply describe ways to cut consumption, Plan C goes way beyond mere description to take a truly penetrating look at how our individual choices make a difference. Author Pat Murphy's sharp analysis, which draws on hard numbers from the Department of Energy and other sources, allows us to truly quantify the impact of our everyday habits, and to realize that we're capable of making far more of a difference than many believe.

Christian Science Monitor has published a totally charming story about how Dr. Frank E. Fish was inspired to "bio-mimic" a fan blade design, upon viewing a Humpback Whale sculpture in a Boston MA gift shop. There are prospective efficiency gains from re-designed wind turbine blades, also, based on this "discovery".

The incandescent lightbulb that wastes 90% of the electricity as heat is dying, we all know that. But a new breakthrough in solid state lighting might also kill compact fluorescent lightbulbs (CFLs) faster than some expected. Scientists at Purdue University have figured out how to manufacture LED solid-state lights on regular metal-coated silicon wafers (more details below). What this means is: much lower costs.

The value consumers place on goods and services often is a matter of simple economics. When demand is high and supply low, relative worth heads north. This fundamental truth from our friend Adam Smith couldn't be more relevant to the car business these days. Visit any dealership and ask how many thousands of dollars in incentives are available on trucks and SUVs collecting dust on the lot. On the flip side, the Prius hybrid's massive worldwide appeal is not only a sign of our energy-afflicted times but proof of what happens when there are more shoppers than cars.

With gas prices going through the roof and regulators requiring cars to be ever more miserly, Volkswagen is bringing new meaning to the term "fuel efficiency" with a bullet-shaped microcar that gets a stunning 282 235 mpg. Volkswagen's had its super-thrifty One-Liter Car concept vehicle -- so named because that's how much fuel it needs to go 100 kilometers -- stashed away for six years. The body's made of carbon fiber to minimize weight (the entire car weighs just 660 pounds) and company execs didn't expect the material to become cheap enough to produce the car until 2012.

Are you ready to find out if in fact your home is as energy efficient as it can be? Most of us have some big and some small things that they can do to better the cost efficiency of home. Whether you just want to drop a few dollars off of your gas bill or you are looking for a better way to fuel your home altogether, doing just a few things can make a tremendous amount of difference in your home.

The idea of painting our roofs and roads white to offset global warming is not new, but a recent study has calculated just how significantly white surfaces could impact greenhouse gas emissions. Last week, researchers at Lawrence Berkeley National Laboratory and UC Berkeley presented their study at California's annual Climate Change Research Conference in Sacramento. If the 100 largest cities in the world replaced their dark roofs with white shingles and their asphalt-based roads with concrete or other light-colored material, it could offset 44 metric gigatons (billion tons) of greenhouse gases, the study shows. That amounts to more greenhouse gas than the entire human population emits in one year, according to a recent article in the Los Angeles Times. The strategy could also offset the growth in carbon dioxide emissions, which account for about 75% of greenhouse gases, for the next 10 years.

With fuel prices rising and supplies dwindling, more and more inventors are turning their creativity towards cars that work without the need for barrels of gasoline. True, there have been a number of vehicles released that run on electricity but now designers are turning to another precious resource - air. It's not a new concept, as early as the 1920s, car designers were dabbling with the idea of cars that could run off air alone - one involved cycling air through a propeller at the front of the car - but few came to fruition. Now, designers are again looking at how air can be used to power a car.

Internet search giant Google - sometimes criticised for the amount of energy its servers use - now aims to do for the power grid what it did for the web. Having conquered the market for web search by first simplifying how it is done and then linking advertising to users' search terms, Google Inc is now funding green technology and using its brand power to lobby for policy change.

Our Renewable Nation is possibly the most adorable project ever conceived to advocate renewable energy. It's an eco-video project helmed by the McCullough family, who are traveling across the country in a vegetable oil powered VW Beetle. They're visiting wind farms, solar installations, talking to companies developing sustainable technologies, and documenting all their interviews and travels on video. Each of the videos stars 9-year old Carrick McCollough, the cutest kid to campaign in the name of renewable energy. And it's effective. Don't believe me? Just watch the video after the jump, where Carrick implores grownups to not blow it for him and his generation. How can we say no to this?

Taking one hour off from TV, can add years onto your life! Find out how.

How does the sound of taking control of your electricity bills and saving as much as 20% on your monthly energy consumption appeal to you? With the use of the Black and Decker energy usage monitor, these are possible.

The most-emailed NYT article for two days running has not been another explanation of the shaky housing market (that's #2), but rather a front-page story on solidly built "passive houses": Using ultrathick insulation and complex doors and windows, the architect engineers a home encased in an airtight shell, so that barely any heat escapes and barely any cold seeps in. That means a passive house can be warmed not only by the sun, but also by the heat from appliances and even from occupants' bodies. [emphasis added] It's staggering how much energy can be saved this way:

How much energy could be generated by states tapping into internal renewable resources? To date, no study has addressed this question comprehensively. This report is a first attempt to do so. The data in this report, while preliminary, suggest that at least half of the fifty states could meet all their internal energy needs from renewable energy generated inside their borders, and the vast majority could meet a significant percentage. And these estimates may well be conservative.

How important is it to eat organic? Is it a fad, a craze or is it a warning against chemical fertilizers and GMO crops, which will help protect the next generation? Organic farming is natural farming, that means no chemical fertilisers, no genetic modification for either food crops or feed crops. Commercial farming pushing demand for agricultural produce forced a shift towards chemical fertilisers and farming methods to maximise output, for maximum profit, unaware of the significantly unnatural processes being used can be harmful. At the consumer level organic produce is a relatively new phenomena. On the supermarket shelves we are finding products labelled 'organic', most of us think it means 'natural' or 'cruelty free'. When you buy organic you are buying a green product . That means methods such as green fertilisers, crop rotation and biological pest controls are used instead of toxic chemical fertilisers and genetically modified organisms which are harmful to the land. Organic farming composes about 2% of all farming on the planet.