Our photo of the day visits the wacky world of nudibranch sea slugs.

The cultural construct describes the enigmatic inner power that pushes people to get through hardships.

At the rate we’re killing them, we may soon see it firsthand.

The light-filled interior of this well-insulated and cleverly designed tiny home imparts a sense of relaxation and well-being.

We are officially in love with Loch Pooltiel.

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

This solar + battery + LED light combo aims to be the future of portable light & power.

These devices help solar lighting move beyond the flatness of traditional photovoltaic cells.

SOURCE is a solar-powered and self-contained device capable of harvesting up to 10 liters of clean drinking water per day from the air.

They really didn't have a choice, and they insulated their bodies, not their houses.

It simply doesn't recognize that some e-bikes are just bikes with a boost, and is unfair to older or disabled riders, or long distance commuters.

Previously titled "4 reasons why heat pumps are not going to save the planet" which was mean to heat pumps.

The NYT's newly-minted blogger (and all-around excellent climate change journalist) Andrew Revkin follows up his earlier post exposing Peabody Energy's (laughable) ad campaign aimed at sliming Kansas Gov. Kathleen Sebelius for making the (right)

Shortlisted for the 2013 Aga Khan Awards, this elegant building makes good use of wasted stone generated from a town's large stonecutting industry.

In tribute to the region's salt lake, the architects of this unique restaurant used salt as an eco-friendly building material.

It's like flatpack without the fasteners; you just bang it together with the big mallet that's harder to lose than an Allen key.

Our photo of the day shows Mother Nature's flair for drama.

A TreeHugger hero visits our sister site.

Best of luck to Ms. Leonard, I'm sure she'll do great things at Greenpeace USA!

Greenpeace urges outdoor lovers to reject the chemicals used in popular weather-resistant fabrics.

While these chemicals continue to be the norm in the camping and mountaineering industries, there are some good alternatives.

Popup clothing store fits right in to a neighborhood in transition.

An annual water-monitoring report focuses on "contaminants of emerging concern."

Using an additive, powder-based 3D printing process, experiments with abundant and renewable salt have created this translucent and lightweight structure.

This looks like a long-needed solution to one of the key barriers to electric vehicle adoption, and I can hardly contain my excitement.

Using a bit of research and lots of careful gardening, this man was able to help reestablish a population of rare butterflies in his backyard.

Nature has a treatment, and it doesn't come in a bottle.

The source of 70 percent of New Delhi's water, the Yamuna River is filthy with sewage and garbage, but people are now being drawn to its banks by a new art exhibit that seeks to raise awareness about the river's plight.

Artist Kebreab Demeke's colorful, functional sculpture is among around a dozen projects examining the meaning of 'the good life' on display at an exhibition in Berlin.

Unsuspecting visitors to the small fishing village of Cheng Long might feel the need to blink and rub their eyes. Is there really a giant bowl and chopsticks sinking into the wetlands? What are those brightly colored things growing all over that house?

A remarkable exhibition of the future of transportation is mounted in the middle of industrial archaeology.

A new exhibition in Toronto looks at sustainable development.

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.

I'm tired of every green initiative being hijacked by the negativism in this country. It's time to stand up and turn off.

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

Latino students are exposed to higher levels of pesticides. But the EPA and parents clash over what should be done.

On February 11, 1994, President Bill Clinton signed an executive order designed to bring about environmental justice.

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

When the evening is carefully planned, the morning goes smoothly.

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.

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

Is this carrot-based animal feed additive something worth crowing about?

Everyone is jumping up and down for joy at the fact that McDonald's is now serving antibiotic-free chicken. Please, let's not ignore everything else that's so wrong with the company.

Welcome to my personal dairy dilemma and the weird, convoluted thoughts that keep me up at night.

The chicken-producing giant is desperate to rebrand itself as an ethical, transparent poultry producer.

Several monumental measures were passed in last week's U.S. election.

The fast food chain has taken last year's promise to eliminate antibiotics from pizza a step further.

Dr. David Jenkins is the man who came up with the glycemic index. His own diet may surprise you.

From South Korean design studio DesignJoo comes the Giro One, the piece that lets you put your own spin on your shelves, lighting, and side tables. The concept is simple: shelves can be added and their height adjusted by spinning them

This automated smart home system for small apartments takes the effort out of having to transform your all-in-one furniture unit by hand.