Sometimes you wonder what they were thinking.

We are all cutting back in the West, but more flying in developing countries overwhelms the savings.

It's not quite as dramatic as it sounds. It's simply a good demonstration of the power of regenerative braking!

Instead of tossing it, fisheries should capture the protein and fat left in water and use it to feed humans and animals a second time around.

Written by one of my favorite bloggers, this new book will inspire and guide readers to instill a love for nature in their children.

Memorize this and you'll be set in the kitchen.

Architect John Kinsley puts together a little project that addresses so many of the problems we face in our cities.

Most refugees live in refugee camps for an average of 12 years and most of that time it's in drafty, tattered tents. Now IKEA has a solar-powered camp house that is flatpack and quick to assemble.

Kayak not included, but everything else a dorm room needs is.

Indwell and Invizij Architects are doing incredible work, raising the bar for housing people in need.

A landmark constitutional climate change lawsuit, filed by a group of kids against the US government, gets the go-ahead.

A new study finds 3 carnivores that usually avoid each other at all costs have found smart ways to peacefully co-exist. #goals

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.

StackitNOW is a great idea but also demonstrates how intractable the problem is.

We visited Canada's first tiny house festival to find out more about this newly declared eco-residential development in Quebec for homes under 1,000 square feet in size.

Image via: Wakeland Housing & Development Corporation Los Vecinos, the first LEED-Certified Platinum, 100% solar-powered affordable housing in San Diego, offer 42-units of state of the art in green housing. The $17.6 million USD project opened its doors

Seedo, creators of automated consumer grow labs, will shortly plant a seed in the U.S. medical marijuana market.

The FDA has announced new (and stronger) warning requirements for certain prescription insomnia medications. Here's why.

Think we are cutting back? They are just getting started, and we are going to be buried in the stuff.

A new article published in the online journal PLoS ONE takes on the issue of energy sprawl -- namely how much land is required to produce energy from different sources -- under different potential US energy and climate policies in 2030.

It creates as much CO2 as a million transatlantic flights. Why isn't this a bigger deal?

Well, this is pretty clever. If you're enticed by the idea of having fresh eggs straight from the backyard, but are not sure if you're ready to commit, RentTheChicken.com lets you rent some chickens!

Copper Lane, a cohousing project in London, shows how design by committee doesn't have to look like a camel.

We have seen many ups and downs in the prefab world, but they may be getting it right this time.

Architype demonstrates that simple forms and careful window choices are the way to build efficient, affordable homes.

Rev. Richard Cizik and the nonprofit New Evangelical Partnership for the Common Good have released a video message to President Obama calling on him to do more to protect public lands from destruction by private industry.

By 2017, global e-waste rates will increase by 33% to 65.4 million tons per year—the weight equivalent of almost 200 Empire State Buildings.

The prime minister also mentioned holding companies responsible for the packaging waste they create.

Unfortunately, people like the slogans a bit too much.

They do this so well in Montreal.

Michael Pollan writes in the New York Times about the connection between the American diet and the cost of health care; Surprisingly, conservative writers like Marie-Josée Kravis are saying much the same thing,

The Earth Advantage Institute promotes a green building standard from the Northwest that combines the energy requirements of Energy Star with healthy home attributes like air quality, environmental responsibility and and resource efficiency. I thought

This reconstruction scheme in China encourages resilience and self-sufficiency.

A tropical skyscraper by WOHA and Patricia Urquiola is wrapped in a vine-covered sunscreen.

New wind and solar will be cheaper than 96% of all existing coal by 2030.

On land, slugs are far from nature's most beautiful creatures--but underwater, the family of shell-less creatures known as nudibranchs come in bright neons, glowing pastels, and vibrant primary colors. The 3,000 different kinds of nudibranchs get their

Slugs as we know them aren't the most colorful land-based creatures, but the shell-less mollusk known as nudibranchs (meaning "naked gills"), or sea slugs, are the complete opposite: The more than 3,000 different members

In Haida Gwaii the trees are so big that you could live in them.

Don't give up; Collective and individual actions can change the world.

"No justification can be possible for this nonsense."

The latest UN report on sustainable development reads like the TreeHugger archive, in terms of sustainable development solutions.

The incomparable Swedish medical doctor and statistician Hans Rosling tackles a very perverse and tenacious myth about overpopulation.

The Bay Area needs affordable housing. And it needs clean energy. A new campaign supports both.

A recent report by the U.S. Environmental Protection Agency concluded that 55 percent of U.S. rivers and streams are in poor condition. When we see a number like that we might not realize how many rivers there are in the US...

3D maps created by Climate Central show how sea level rise could change some familiar cityscapes.

Why are we wasting such a valuable resource? Where will it come from if we don't drill for natural gas?

Wind on the snow dunes of the Ross Ice Shelf causes a near-constant hum that is as beautiful as it is haunting.

The French government has set a goal of eliminating all single-use plastics by 2040. Phase one has begun.

This year, Gandhi's birthday will be marked by a national crackdown on six specific plastic items.

Hawaii's most populated island is implementing tough new rules for packaging.