The vast majority of species exist in a sort of 'dark matter' biomass. But new tools are shedding light on the microscopic organisms that, although invisible to our eyes, constitute the "most diverse and abundant" life forms on earth.

An interesting design concept that envisions humans becoming semi-photosynthetic thanks to a symbiotic relationship with algae.

This one of a kind structure combines architecture, technology, algae farming and real-time data, and will dynamically respond to environmental factors like weather and movements of people.

Is this company getting closer to the dream of making truly sustainable carbon-negative fuel?

Surprisingly strong and made with seaweed and a bit of paper, this collection of modern furniture and lighting makes use of an abundant resource.

Instead of using a conventional polyurethane core, this sustainable surfboard starts with an algae-based foam blank.

EnerGaia, a Thai startup, is using the rooftop of a Bangkok hotel to harvest spirulina. Is this the new edible rockstar of urban farming?

The company that makes "shoes for people who don't want to wear them" is introducing a new model of adventure shoe constructed with EVA foam made from algae biomass.

Instead of heavy metals, petroleum products, and toxic solvents, this printing ink is made with algae grown by Living Ink.

Designed with 'artificial leaves' of glass filled with algae, this lighting fixture is made to produce extra oxygen.

We have long called for deposits on everything. California shows that even that is not enough.

An extended mating season is bringing California's tarantulas out in droves; here's a reminder to go easy on the gentle giants.

A mix of cultural practices and smart infrastructure investments has created a city that's a true pleasure to visit.

To carbon neutralize the Super Bowl, the NFL plants mangroves in Florida

The Transition Town concept, a community focused response to climate change and peak oil, which was pioneered by Rob Hopkins, and which we reported on here and here, is spreading even further. For the first time, it is being tried on a city-wide scale,

Hailed by Rob Hopkins as "possibly the biggest peak oil/climate change/Transition event to take place in the UK", Bristol's Big Event looks set to be a huge collective exploration of the future for this city of 400,000 residents as fossil fuels

Just a reminder to our UK-based readers that Transition City Bristol's Big Event, which we posted on last week, is coming up on Sunday. Billed by Rob Hopkins, originator of the Transition Towns concept, as "Possibly the biggest Peak Oil/Climate

Whenever we've discussed Triodos Bank, the European sustainability-oriented savings bank with branches in the UK, Spain, The Netherlands and Belgium, we've always been impressed at the number of customers who attend

Stunning Art Project Projects Impacts of Climate Change TreeHugger was founded on the idea that art and design can help solve the ecological crisis we are facing - most recently evidenced by our round up of environmental artists shaking up the art

Image credit: pawpaw67, used under Creative Commons license. Malaysian palm oil producers may be committing to green(er) practices, but that's unlikely to appease George Monbiot. He has long been a critic of biofuels for vehicles, but he is absolutely

We've already seen how pay-as-you-throw trash metering can cut landfill waste in half, and we've witnessed whole cities make composting mandatory. So there's little doubt that much, much

We know that bike commuting saves money, and that cycling to work combats obesity too. So it's no surprise when we hear that bike commuting is on the rise in many cities. One company is stepping out way ahead

Not long ago, my parents installed a sizable solar array on their home in England. Now my brother has just emailed with photos of his own installation. What's going on? Besides providing more evidence that solar feed-in

The British city of Bristol hopes to promote local business with their own high-security scrip featuring local designs

The Bristol Pound is not your average local currency scheme. A new video sets out the vision for this ambitious, city-wide scheme.

The Severn Barrage could create 50,000 jobs and provide 5% of the UK's electricity needs. Critics say we can do better than that.

This looks like lungs, sort of, but it's really made out of meadow flowers.

A slippery art installation in Bristol, England, reminds us that streets are not just for cars.

The Bristol Cargo Bike project is creating a "light weight mega geared micro logistics vehicle of choice for a city of hills."

"It's an emergency," say council members. "So let's act like it."

Sometimes it's better to drive. Whether that means you carpool, rent a car, or take public transportation the fact of the matter is that you'd blow more carbon emissions if you traveled by airplane. Not only do you

This week, the full-time TreeHugger crew met up in Atlanta to pow-wow over the blog we all know and love. We are serious subscribers to the working-from-home-is-green ethic, but about every 18 months or so, we get together to

I'll admit it, I'm a sucker for those little hotel soaps and shampoos and lotions. I rarely go home from a hotel stay without a handful of them stuffed in my bag. But they are

I have been trying to write something punchier than David Goldberg at Transportation for America did but I cannot, this event is "so utterly outrageous, so emblematic of the failure of our current transportation

Here is an interesting juxtaposition of stories; Kaid Benfield at NRDC Switchboard picks up on a study about how dangerous it is to be a pedestrian in America. He quotes Transportation for America: In the last decade, from 2000 through 2009, more than

There is something contradictory about building a Green Porsche Headquarters at an Aeropolis, but whatever.

A community garden in Atlanta proviudes refugees from around the Globe a space to grow food, share their culture and to build community as a result.

St. Augustine said "Solvitur Ambulando": It is solved by walking. So does Tom Vanderbilt in this great series in Slate.

Planner Paul Knight shows how to do the math and figure out where to go for maximum candy

One might think that promoting walking as an alternative to driving might be good for cities clogged with cars full of overweight people.

Pandas, which are one of the better known endangered species out there, just aren't very good at breeding, making their survival more problematic than if, say, they had cubs by the bucketload every year.

Steve Mouzon looks at the true cost of sprawl.

Things don't quite work as they are supposed to when people stand up.

It is appalling that in much of America, they are considered a frill.

It is the first big city in the South to commit to being fully renewable energy powered.

It was a sad day last year when intense lobbying efforts in Congress won out, and a ban on BPA in children's products was blocked. But it seems that China and Malaysia have beaten us to the punch. According to Green Biz, China and

A new study from the Breast Cancer Fund shows that BPA is found in canned foods marketed specifically to kids. This should be no surprise to TreeHugger readers; we have been talking about BPA lining cans for years. All

BPA had been found to trigger the release of insulin in nearly twice the amount as when glucose is ingested.

A new study finds those with heart disease had higher concentrations of BPA in their urine.

It is one thing to ban something, it is another thing to have something to replace it with at hand. We don't.