Design a logo for this year’s World Environment Day and win a trip to Milan, Italy.

In anticipation of World Environment Day on June 5, the United Nations Environment Programme is hosting a blogging competition to raise awareness about this year’s theme of sustainable consumption.

The soccer star arrived in an electric retro-fit Fiat Panda and attended a cooking demonstration.

Looking back on this year, so much happened! I wanted to take a moment to go look back on the articles I had the most fun writing, the issues I had the most fun covering, and the adventures I had the most fun experiencing. Enjoy this look back!

The nose is dancing with floral highlights and warm peach aromas that you half expect it to be a dessert wine. But it's surprisingly elegant for a wine just under $10. The winery is 100-percent solar-powered, as is its sister winery, Jacuzzi.

Wrath's 2010 Ex Anima Chardonnay is billowing with so much tropical fruit that you half expect Kokomo to start playing on the jukebox the second you uncork it. I swear this wine was a Piña Colada in its past life.

Frei's 2009 Chardonnay touches your nose with hints of rose water, jasmine and other floral delights. But on the palette, it is swimming with honey and sweet butter and just enough acidity to make it all work.

The Spanish porrón is a glass pitcher in the shape of a watering can that gets passed around at big events. That way, there is no need for plastic glasses or washing up!

Americans are willing to overlook human suffering in order to have regular meat on their table.

This bump out adds extra space for a cozy sitting area.

When Go Play! announced a competition to design an innovative playground for 1,000 refugee children along the border of Thailand and Burma, Dutch designer AnneMarie van Splunter thought of old car tires. To

Using a series of overlapping mezzanines and spaces, this accessible, urban housing prototype explores the possibilities of living small but comfortably in the city.

Our photo of the day comes from beautiful Erawan National Park in Western Thailand.

Ever wonder why humans don't have hair everywhere?

Artist Shilpa Joglekar works with rural communities in India and Taiwan to create much-needed play structures out of natural and recycled materials.

A small child's bedroom becomes a magical little place to sleep and play.

Alfalfa House provides low-cost, ethically-produced and minimally-packaged wholefoods which are predominately organic, biodynamic, as well as

It is an undisputed truth that the majority of American cities have incomplete bicycling infrastructures. This is perhaps especially true in Los Angeles, where

Planning your holiday party schedule in New York City can be calendar jujitsu, what with work parties, friends parties, family parties, but there are also a few green themed parties that the sustainably minded New Yorker

Built on top of an existing garage, this laneway house in Australia makes use of what's already there.

Some people do; others use a keyboard for everything and have forgotten how. What about you?

The extremely dated "It ain't easy being green" title of this Trulia survey actually misinterprets the data; judging by the questions they asked, it is perfectly easy being green; it just ain't cheap.

The results are often surprising.

Bananas are already in a perfect package. But is this even better?

The results of our annual survey are often surprising.

Talk about a lose-lose situation: On one hand, not taking any action to repair the hole would allow harmful UV radiation to percolate through; on the other hand, helping to accelerate its recovery could strengthen global warming by

Image from NASA updated: As many noted, I (idiotically) cited the Montreal Protocol's success here, which has nothing to do with reducing tropospheric ozone -- rather, it has to do with fixing the ozone layer. Thank you commenters, and my apologies for

Household cleaning products in the U.S. might soon be a little greener, thanks to a new rule in California that will require companies to reformulate products so they contain fewer volatile organic compounds, or

Left: Ozone in Earth's stratosphere at an altitude of approximately 12 miles (20 kilometers) in mid-March 2011, near the peak of the 2011 Arctic ozone loss. Right: chlorine monoxide - the primary agent of chemical ozone destruction in the cold polar

Ben Richmond at Motherboard highlights a climate change success story.

Among the more high risk methods of geoengineering, methods that reflect sunlight away from the Earth to counteract temperature rise are right up there in terms of potential unintended consequences. Well, a new piece of

Late last week at the Convention on Biodiversity a resolution was adopted which places a moratorium on geoengineering unless it can be proven that the method in question can be shown to not have an adverse effect on

This week two scientists, Dirk Schulze-Makuch and Paul Davies, suggested in the Journal of Cosmology that it is time for humans to start colonizing Mars. Humanity needs some

There's been lots of back and forth in the past year on biochar, ranging from research showing it has huge potential for absorbing carbon emissions on one side, to uncertainty about its potential, to outright

Because the iron dumped in the ocean off British Columbia wasn't dumped as waste, it didn't violate international law.

They may not be the answer to the housing crisis, but they certainly are wonderful little homes.

This modern laneway house is now home to a client who wants to look after her aging parents.

Ever heard of a 'stranded asset'? They are well known in the world of sustainability, and they can put a dent in your retirement savings.

The UN Environment Programme kicks off its official celebration of World Environment Day in Milan.

There are good reasons for why the United Nations named 2016 the 'Year of Pulses'.

In a few years people around the world, including you, may be sitting on a different kind of toilet.

TreeHuggers, being a discerning lot, when recently polled came down in a clear majority against the concept of "eco-fur" when we wrote first about a chinchilla/polyester jacket from designer Chie Imai, and then about an expensive line of pillows and

Looking for that perfect something for the fashion buff in your life? Some are easy to buy for: They'll take any random piece of clothing--from a vintage fringed dress to a Stella McCartney coat--and make it look fashionable

For most people, there's something particularly sad and gory about seeing wildlife killed on the side of the road--but for one British clothing designer, such critter-carnage is fodder for fashion. In an upcoming fashion show,

It is now 2011 which means Fashion Week in New York is just around the corner. Making news abroad, Norway has banned fur from the biannual Oslo Fashion Week, Ecouterre reports (via Huffington Post) making them the first country to

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.

Simple but striking, this small treehouse retreat was built by hand and furnished with repurposed flea market finds.

See fish in black and white, bones and flesh, in Smithsonian exhibit, touring the U.S.

Everywhere you look for the next week in London there is an arty billboard.

We've brought MacArthur-winning activist Majora Carter's most-excellent speech at TED 2006 to your attention before, but she's so amazing and inspiring we had to stick the video in front of you (again). Watch this formidable force of nature in action.