Shinji Turner-Yamamoto's beautiful 'Global Tree Project' reveals the natural world with hanging trees, gilded boulders, and more.

The dumpster full of glowing garbage out front of Switzerland's Gewerbemuseum sets the stage for what's inside -- an art exhibition of works both poignant and comical, all made from discarded plastic bags.

Motoi Yamamoto's salt labyrinths and intricate installations are as stunning as they are sustainable.

The U.S. Pavilion is spotlighting grassroots efforts to make cities and neighborhoods greener, safer, and happier places to live.

Over the past three days, one of Helsinki's tram lines has been carrying some unusual cargo -- living plants donated by passengers for inclusion in a roller-coaster-themed urban garden.

Sixty-five porters and 75 yaks labored over two years to bring more than eight tons of trash down from the slopes of Mount Everest -- and into the hands of local artists.

Green and sustainable used to be buzzwords here. They don't appear to even exist anymore.

Because bridges are for people.

A new exhibition in Toronto looks at sustainable development.

Edward Burtynsky, Jennifer Baichwal, and Nicholas de Pencier

A new Human Rights Watch report shows the horrific conditions, both environmental and social, that 90% of Bangladesh's leather is produced in—and exported from, to the US, China, Italy and elsewhere.

Mohamed Nasheed says his conviction is a foregone conclusion.

Stein may have gotten only 0.3% of the national vote, but that's actually a huge increase over what Greens have gotten in the past two elections.

Tim had planned on working at a Salt Lake City Unitarian church doing social outreach. That is, until the Federal Bureau of Prisons decided that wasn't a "safe" occupation for the climate activist.

A mother's fight to protect her children and her tribe

Residents in North Omaha want clean energy, not the coal pollution they're getting now.

Environmental initiatives are integral to addressing the "tale of two cities" that Mayor de Blasio campaigned on.

It's an unlikely match between a 47-year-old Peruvian subsistence farmer and a giant American mining corporation, and yet the former is winning the battle.

Changes closer to home would be nice too.

So much of what he wrote has relevance today.

Our photo of the day comes from the rainforest of Ecuador.

Our photo of the day is in praise of the pollinators!

A giant resin bee is drawn to purple loosestrife, can you guess the connection?

For the first time ever, insects took the place of cheese at an upscale gastronomical event.

Research reveals that bed bugs develop resistance to widely used chemical treatments, potentially paving the way for super bed bugs.

A new study shows how adolescents quickly improved their sleep time and quality in just one week's time.

Trade the morning shower for one before bed for better sleep and more.

Hosted by Jocelyn K. Glei, these wonderful interviews boost productivity, creativity, and resilience in surprising ways.

Those crazy radicals at 475 demand High Performance Building across the Dominion.

But you might get a bit gassy.

Thirty thousand pounds of leftover food were redistributed to hungry Floridians in the days following the game.

E-bikers use their bikes more, go longer distances, and often substitute it for driving or transit.

They are always fun to look at but do they make sense?

These impressive feats of architecture and engineering are one of India's traditional methods of water conservation. Now threatened by disuse and a growing water crisis, one photojournalist is documenting them before they are forgotten.

India's streetlights are about to have a serious upgrade. The energy savings alone will be huge.

The husband and wife have spent 25 years buying up wasteland farmers no longer wanted; now elephants, tigers and leopards roam free there.

The happy country that set a Guinness record for planting 49,672 trees in just one hour welcomes the birth of a new prince by more than doubling that planting.

If this plan even halfway succeeds, oil companies will be in serious trouble.

This contemporary urban home mixes reclaimed materials from local demolition sites with a modern design.

Uttar Pradesh is going to be looking a lot greener after a marathon 24-hour tree-planting frenzy.

These vertical towers, made of artificially diverted glacial meltwater, are a brilliant idea and possible solution to alleviate water shortages brought on by the fast-melting Himalayan glaciers.

That's way sooner than almost anyone expected.

Vegans will love this cookbook that has grown out of a popular Indian food blog. Now it's possible to enjoy classics like tofu-paneer in spinach and chicken-free balti.

India's capital city has taken a strong stand against plastic pollution, but now it needs to convince its residents.

But what will the handrail police say?

After 25 years of buying land in India that farmers no longer wanted, the husband and wife now play host to elephants, monkeys and more; see a new video about their work here.

Using traditional techniques and materials, this design adapts the age-old idea of evaporative cooling to create a low-energy, alternative air conditioner.

For the past 119 Sundays, volunteers have toiled in the sludge to remove 12,000 tonnes of plastic from Versova Beach -- and they're still going strong.

The state of Maharashtra, home to Mumbai, collected nearly $6,000 in fines this past Sunday from businesses that haven't gotten rid of banned plastics yet.

The indigenous Chenchu people say they know the real way to save India's tigers.