Ozone, is a substance that like CO2, seems not only to require international treaties, but it likes cleaning stuff. Apparently NASA discovered it works a treat as a disinfectant, killing bacteria and making stains soluble at low temperatures. The

Image credit: Purdue University photo/Shepson Lab digg_url = 'http://www.treehugger.com/files/2009/12/beautiful-sweaty-snowflakes-dissolve-polar-ozone.php';Snowflakes, we have seen, are beautiful and diverse but they are not inert byproducts of cold

Can humans endure the isolation, self-reliance, and deprivations of travel to Mars and back? Six pale-faced but smiling astronauts answer the question.

After reports last year of "raccoon dog" fur being used and labeled as faux fur, the Humane Society came out with a few quick tests you can use to test whether any animals were hurt in production. First, look at the

We usually don't like to point out the negative aspects of things here on TreeHugger, but when it comes to New York's just ended Fall Fashion Week, I am forced to ask, "Wha' happened?"

TVA and reactor-maker Babcock and Wilcox have agreed to work together to see if they can build up to 6 "small reactors." Nuctuplets, then? They can knock these

Would you let corporations decide how climate science gets taught in your kids' classroom? That's what's happening in Tennessee.

Woops.

It may be old, dirty and coal powered now, but it was once a vision of a brighter future, was a giant stimulus project and helped win WWII.

Building new roads has been a major contributor to the city's unsustainable growth, newly released Landsat photos show, but more of the same appears to be on the horizon.

You never know what climate you may end up in...

Today marks Carnival of the Green #209, and it's the second Carnival of this week - a special dose! Congratulations to all who have submitted entries and hosted over the years to make it such a success!

Today there was new space added to the Twitter HQ, doubling their size. Designed by the lovely and talented Sara Morishige Williams (@sara), the newest spaces are consistent with the philosophy of the existing offices

High-tech hydroponic containers allow for soil-less cultivation and a carefully controlled yield.

Art meets accidental crowd-sourced recycling.

Made from sugarcane, the new sustainable play pieces will be included in Lego kits in 2018.

Need help with the laundry? Head to the pantry.

Scientists find that tumors hold information like a 'black box' pointing to the specific cause of disease.

It's not a veggie burger. But there's a lot less beef in it than normal.

It's a veggie burger that actually bleeds. But who's the target audience?

Last week at CES in Las Vegas, Toyota revealed the FCV concept car for the fuel cell vehicle they will be making available next year. I had a chance to see the concept this week at the Detroit Auto Show.

We have to rebuild our cities to use less energy and house more people, and Passivhaus design is a useful tool for both problems.

This lovely looking Victorian house in west London seems deceptively straightforward except for a tiny plaque on the front door. It notes that this is the second house in the UK to reach PassivHaus standards. And that is no mean

The island nation in the western Pacific wants to protect its coral reefs from toxic sunscreen runoff.

The Best-Selling Hybrid Car Gets a MakeoverIt might not be very suspenseful because we've all already seen leaked shots of the 3rd generation Toyota Prius hybrid (see below -

Diminutive but Electrifying The Toyota FT-EV electric car concept that debuted at the 2009 Detroit Auto Show is based on the platform of the 57 MPG Toyota iQ microcar that recently went on sale in Europe and that is apparently already a hit in

Photo: Michael Graham Richard. Click to see 2010 Toyota Prius Slideshow.2010 Toyota^ Prius Hybrid: Hello WorldAfter some not too suspenseful waiting, here it is. The official debut of the 3rd generation Toyota Prius hybrid! You can see tons of

The Audubon Society and Toyota are teaming up to promote volunteering for the environment by offering prizes, including tents and bikes, to those who log the most volunteer hours.Starting today, their project, TogetherGreen,

Photo: Michael Graham RichardPrius Might Become a Family, 8 New Hybrid Models ComingMaybe the rumors that have been floating around for a long time were true... Toyota said during its press event at the 2010 Detroit Auto Show that they are considering

I love this little vehicle. If it ever becomes commercially available outside of carsharing schemes, I may have to get one. Or maybe I should just start a carsharing scheme in my city....

Architects usually keep their proprietary research locked up and closely held. Perkins + Will has done the opposite and made it a public service. Launched at Greenbuild the Precautionary List is a compilation of available data on chemicals and

Steven M. Johnson beats a whole lot of TreeHugger posts to the punch.

Steven M. Johnson beat the GrubHub by 25 years.

This gives the "spin cycle" a whole new meaning.

Once again testing the limits of bamboo as an eco-friendly material for large buildings, Vietnamese architect Vo Trong Nghia constructs this striking structure near the city of Da Nang.

This series of structures in Vietnam use bamboo and modern design tools and techniques to make a statement.

People often write of climate associated flooding, loss of agricultural productivity, spread of tropical disease, and so on. The City of Lahore, Pakistan is experiencing

Back when 20% of Pakistan was underwater, I wrote about the influence of deforestation on the flooding--deforestation caused in no small part by illegal logging at the hands of the so-called timber mafia, a group with

We know that illegal logging contributed to the devastation caused by last summer's flooding in Pakistan, when up to 20% of the nation was underwater. New research now sheds light on how so much rain fell: A rogue

PETA and I may disagree about the ethics of eating meat, and there are plenty of people who object to PETA's overly sexualized campaign tactics. Nevertheless, I have always felt they are one of the more effective campaign

After Pakistan's extensive hydroelectric power resources dried up in 2008, Australian coal was marketed to satisfy the growing power consumption

Some of the factors influencing grain yields are natural, while others are of human origin.

In which I try to clear up some misconceptions.

It's one thing to design to the Passivhaus standard; it is another thing altogether to prove it.

What's the point of doing laundry with non-toxic soap if it still produces loads of un-recycled plastic waste?

Consumer Reports strongly urges houses with children under 6 to avoid them altogether.

Standard washing machines use a lot of water to get rid of a small amount of dirt. One startup is aiming to close that loop by reusing the wastewater.

TreeHuggers Katherine and Margaret talk laundry.

You don't need to tumble-dry clothes at this time of year. Here's why you should take your laundry outside to hang-dry in the warm sunshine.

Washing and drying clothes can take a toll on your wallet and the planet – these easy tips make it better.