With the Living Building Challenge now under its belt, the facility is being heralded as one of the greenest buildings in the world.

The after-school carpentry wizards at Sawhorse Revolution have big, community-bettering plans for micro-housing.

Here are 10 historic shopping centers that are still thriving today.

Beautiful and daring, Cinder Cone will resonate with those who have graduated from Thrasher to Dwell.

Despite its petite size, Bi(h)OME carves out ample room for urban wildlife.

University of Cincinnati students score big in the 2015 perFORM Building Design Competition.

Don't want to live in it anymore? Just covert it into a drive-through shaved ice stand.

From the man who brought you the giant tetrahedron on 57th Street...

The treehouse-esque bunkhouses of Whitetail Woods Regional Park score big at the AIA Housing Awards.

Tiny houses have become the darlings of budget-minded minimalists, and Ryan Mitchell's book, "Tiny Houses Built with Recycled Materials," explores them.

New high-rise called Tao Zhu Yin Yuan (“ The Retreat of Tao Zhu”) by Vincent Callebaut provides luxury housing and 'hope for a better tomorrow' in Taiwan.

A cylindrical concrete abode named O-Pod could squeeze into Hong Kong's scarce unclaimed space.

From the emphasis on nature to the secret location aspect, there's a lot to like about this off-grid lodging concept from Belgium.

Finn the conservation dog was trained to sniff out pesky rabbits, and in the process he protect native plants and threatened Humboldt penguins.

A high-tech collaboration between astrophysicists and ecologists is helping to monitor and protect some of the world's most threatened animals.

There were once less than 1,000 of them left in Mexico and the U.S.

Many well-known bird species are in danger of going extinct, according to the State of the World’s Birds 2018 report.

Native only to Madagascar, 105 lemurs species have been evaluated as critically endangered, endangered or vulnerable by the IUCN.

Rescuers in Cape Cod are racing to save wave after wave of "cold-stunned" sea turtles.

The clones come from trees that were larger than any alive today.

The 2019 Saving Endangered Species Youth Art Contest is open to children in grades K-12.

U.S. Fish & Wildlife Service proposes letting states, tribes manage wolf populations, dropping endangered species status on the federal level.

Two mother-and-calf pairs of North Atlantic right whales have been spotted so far this year in Cape Cod Bay.

Although they are getting better at it, many consumers still do not spend every last penny that is credited to their gift cards.

Bring the great outdoors into your home with Three Bad Seeds' line of wilderness-inspired pillows handcrafted from repurposed scrap fabrics.

After you've furiously torn through your holiday prezzies, plant Eden Paper gift wrap it in the backyard where it will grow into a patch of veggies.

You’ll refer to this guide that’s printed on biodegradable fabric with non-toxic ink almost every time you need to convert a recipe.

Tips from people who are really great at giving the best gifts that the rest of us need to read.

Some people are just impossible to buy for around the holidays and birthdays. But we have some ideas on gifts for people who already have everything.

Ford revealed the new, more fuel-efficient 2013 Ford Escape at the L.A. Auto Show.

PETA President Ingrid Newkirk talks with Ken Edelstein about the infamous Obama fly swat, their reaction and why PR matters.

In the name of research, our intrepid columnist is joining online communities like there's no tomorrow. What he found, though, is that it can actually help buil

As the Senate takes up the climate bill (maybe), activists need to point Americans away from lies and despair, toward inspiration and opportunity.

While industry apologists peddle the idea that newspapers are doing just fine, the new media world is leaving them behind.

The bestseller’s flawed climate arguments show that maverick heroes aren’t right about everything.

Worlds collide as energy corporations, Fortune 500 CEO's, nonprofit leaders and 60,000 protestors try to make sense of the Copenhagen climate talks.

Video: MNN blogger Karl Burkart chats with Current TV about the politics of blogging at the Copenhagen climate summit.

Climate talks in Denmark are on hold after a group of developing nations walked out over concerns about abandoning the Kyoto Protocol.

Canada does an about-face on its climate target (if only) and the G77 suspends talks after a move to eliminate Kyoto Protocol language.

A 'prediction market' is betting on the outcome of Copenhagen. Here are 4 experts making their own predictions for COP15.

Ethiopia shocks African nations by supporting the new draft agreement at Copenhagen. Drama sure to ensure tomorrow.

Kids present a DVD of videos, songs, speeches and presentations on climate change to world leaders in Copenhagen.

NGO's furious over new draft agreement and a radical reduction of badges at the Bella Center. Only 300 delegates will now be allowed in.

Global warming science is under attack as never before, and these raiders are in the vanguard.

The U.S. secretary of state makes the ACES climate bill targets official and pledges to build a $100 billion fund.

Video: President Obama addresses the leaders of nations attending the climate change conference in Copenhagen, urging countries to step up before it's too late.

Both environmentalists and U.N. officials agree ... COP15 was a 'failure.' But the 'Copenhagen Accord,' though flawed could mark the messy beginnings of a post-

Video: Rachel Maddow is joined by <i>New York Times</i> columnist Thomas Friedman, fresh from attending the climate change conference in Copenhagen for a discus

Video clips from the great Copenhagen march for the climate.

It's no substitute for simply getting rid of coal, but geo-engineering just may be our planet's Hail Mary pass.