A visit to the French capital offers great lessons in how to make less waste.

A lesson in coexistence.

In the last few years ecotourism has grown from a buzzword to a trend, to full-blown industry. Whether travelers are looking for a rugged adventure or refined luxury, planet-conscious operators have sprung up to satisfy

Has the Costa Rica Foreign Minister really just suggested that the Sea Shepherd founder might voluntarily go to Costa Rica to face trial?

Two ships of shark fin poachers have been stopped in the past two weeks, influenced by renewed government focus on the issue due to Paul Watson's case in Germany.

Prices have fallen 12% thanks to this switch to renewables.

Think kitten-meets-lamb in the latest installment of 'gratuitous cuteness distraction.'

I went to Costa Rica for surf camp at the world's most sustainable surf school – it was amazing.

Other websites shriek "the end of capitalism" but really, it is hardly that.

Boom-and-bust cycles are no coincidence.

Actors Emma Thompson and Michelle Thrush are traveling with their daughters to the North Pole, as part of an Greenpeace campaign to create an international sanctuary in the Arctic.

Braving polar bears and subfreezing temperatures, years of preparation pay off for a University of Hawaii astronomy team.

Does this look like 'alarmism' to you?

The LightCycle follows our circadian rhythms via your phone and GPS.

"Come touch the Greenland ice sheet and be touched by it."

Not much point in having a healthy house if you spend all day in an unhealthy office.

Can new colors refresh an old rug? These Dutch designers think so -- and they prefer red, to emphasize the problem of waste.

Thanks to the internet, housesitters can now travel the world, living in different places for a few days or a few months for free, in exchange for taking care of an absent homeowner's property, pets or errands.

This water filtration solution requires no electricity, has no moving parts, and can be built affordably with locally available materials.

When the oft-predicted water wars start, we're going to want this technology on our side. Let's hope it survives the budget wars.

Current water treatment can't remove these wastes that are increasingly implicated in serious environmental effects

Last week news broke that microplastics are found in 93% of bottled water and the highest levels ever were found in an English river. Can we ever clean this up?

Even if the label says 'biodegradable,' please don't do it.

Scientists looking at water consumption in different countries came to a not so shocking conclusion.

The idyllic waterway meandering through the Flemish countryside has been called the most polluted stream in Europe.

Despite their endless commuting, ants don't have traffic jams, regardless of the width of their path.

So much of the economy changes if cars last five times as long and hardly need service.

The Toronto Star's list is useful but incomplete.

So much for the "sharing economy". North Americans don't like sharing cars or parking spaces.

Michael Warren and Natacha Pisarenko from The Associated Press have a blockbuster piece of reporting on the dozens of ways Monsanto's chemical fertilizers and pesticides are poisoning the people of Argentina.

Designed for safety and comfort, this sharing bike looks similar to a standard bike, allowing friends to easily hop on and off.

This is a truly seismic change, and may mean some big changes in the oil sands and pipeline debates.

Cars kept running into a big rock in a Calgary parking lot, perhaps because it didn't make eye contact.

Featuring a tall living room and a big kitchen, this tiny dwelling from Canada packs a big personality.

Canadian National Railways figures out a crazy new way to mix oil and plastic – to what end?

We've covered Jendarling's organic garment bags before. But with the holiday/travel season in full swing, their new chic Chelsea Girl collection, comprised of non-plastic garment and travel bags, is right on cue. For Jendarling,

She gets around, little Miss Hermione Granger from Harry Potter. First she was the face of super trendy and super expensive Burberry. Then she launched her own line for People Tree.

Heavy Eco sells bags, t-shirts and accessories, all made with recycled or organic materials and designed and produced by inmates in Estonian prisons.

It's only happening in half the world. The rest of us can keep using plastic sticks. (Don't they know about ocean currents?)

However the referendum in South Sudan turns out, one thing will not go away quickly: the lack of water in the region. The International Committee of the Red Cross, however, is at work on a project that will mitigate that

Once again Milan Design Week is here, and like most years, it is the small independent events that grab our attention. Like the Lapin Kulta Solar Kitchen Restaurant, that

I write often about the lessons that one can learn from old buildings, usually discussing ventilation and lighting. It turns out that there are lessons in security and defence as well; Eli Lehrer of Frum Forum notices some

Solar Sister showcased just some of the efforts taking place around the world. Here, the Women Barefoot Solar Engineers of Mauritania install solar panels in their villages. They received training in Rajasthan, India. Image: Barefoot Photographers of

I wrote last year about the Boulder-based Unreasonable Institute's search for people who have great ideas, who think big, who want to change the world, and who seem like they can. Last year's fellowship was a great

The Buchstabenmuseum is an NGO dedicated to preserving, restoring and exhibiting old signs from Berlin and around the world. Its owners save obsolete letters from the dump and instead tell their stories. It is a museum like no other!

Here's a building that saves up to 50% CO2 by controlling the sunlight with screens on its facade.

TreeHugger just keeps on having to eat its hat with these guys.

After weekly ping pong sessions, participants in a pilot study had significant improvements in speech, handwriting, getting dressed, getting out of bed, and walking.

Coronavirus has led to a shortage of hand sanitizers, but worry not: The CDC generally recommends hand-washing over hand sanitizers.

From social distancing to self-quarantine or isolation, being apart from people doesn't have to mean being bored and lonely.