Celebrate Earth Hour Saturday night at 8:30 and start a movement to end this visual assault.

Finally, talking about lifestyle changes and using less instead of buying more green stuff.

I can't wait for this exciting new world of urban mobility.

Got a froggy "city throat"? It might be from metal particles emitted from braking cars and trucks.

As scooters and e-bikes proliferate, we need a place to put them.

Why stop there? Helmets for everybody!

These lockable aluminum panniers might be the answer to my prayers.

An advisory panel says only experienced climbers should be allowed.

If reelected, the PM says he'll launch a bursary that will help low-income families get outside.

Craving an outdoor getaway? These sites make booking a campsite as easy as possible.

'Fly less' is the obvious answer, but there are some effective interim solutions, too.

Vacations By Rail offers several dreamy treks to Arctic regions to witness magical winter skies.

Public transportation, while maybe not as enjoyable as commuting in your own personal vehicle, does ease congestion, reduce emissions. Need more convincing? Here's more info about public transportation.

Once a rail artery feeding Manhattan's core, the High Line was eventually abandoned only to be reborn as an immaginative and inspiring public space.

It took four years, one million spiders, and 80 people in Madagascar to make this cape, on view at London's V&A Museum -- and the color is natural.

Check out the live feed of the Future Tense conference, Feeding the World While the Earth Cooks.

From commuting to cocktails, the new collection from Nau offers sexy, versatile, and ever-so-practical looks.

A student project transforms bicycle wheels into rolling animation -- magic ensues.

This Barcelona garden is about as simple as it comes. Only it's 70 feet high.

Barcelona's bike sharing users are in an uproar; the city council wants to raise the anual fee by 116% in order to reduce the transportation budget.

In Barcelona, buying bulk is part of the city's history -- and visiting one of these historic shops is a unique olfactory experience.

Can you guess which European cities have the highest percentage of walking + bicycling + public transport? Give it a shot.

Recyclability is key at yök's eco-renovation. First, preserve everything we can, then recycle everything that has to go and lastly, make sure any new stuff is recyclable in the future.

What is the best eco option- longlasting porcelain sinks, 100% recyclable, lightweight LDPE ones or second hand washbasins? Here's the story of how we chose the sinks for our non-hotel in Barcelona.

A compact apartment in a traditional building near Barcelona's waterfront is transformed into an airy, modern home.

The island that Marco Polo once described as "the most beautiful in the world" lived up to its reputation.

Books and dirt feature prominently in this family's life right now.

Only it can provide the rejuvenation and entertainment that cannot be found elsewhere.

"Be like a squirrel" and other advice for unexpectedly difficult times.

Here is is the 2020 ranking of pesticide residue on produce.

Less truly is more in this gem from Fresh Prince Studio.

The 248-square-foot vacation cabin in Iceland lets you sleep under the stars ... while inside.

Beautifully crafted interior is a classic where sailors will feel right at home.

This tiny home on wheels brings to mind an ornate Victorian train car ... and is on the market for $16,000.

The Joshua Tree is a 231-SF timber-framed tiny house on wheels – and has the cutest interior.

When things are feeling grim, the idea of self-sufficient living seems even more appealing. Here's where it's all happening, according to Instagram.

Real Christmas trees - the ones you go out and cut down yourself, are a growth industry, says SF Gate. That's because young adults are flocking to u-cut tree lots, out for the experience and the family time that Christmas-tree

Devastating forest fires in the area haven't kept Haifa, Israel, from being able to put up a massive Christmas tree in the center of town. It helps, of course, that the tree is made entirely of recycled plastic bottles -- 5,480 of them.

A tree-planting campaign that's as easy as a click, text or tweet seeks to reach a million before December 31.

Created by Argentine designer José Manuel Rebert Alarcon, the sleek alternative to a dead tree allows other uses during the year.

How much have things changed over the years? Not much.

Live Christmas trees are a great way to keep the holiday spirit alive into the New Year. But what if you could eat them too?

Instead of buying a cut tree that gets used once, choosing a potted or burlap-bagged living Christmas tree can yield years of enjoyment.

It is the winter solstice today, celebrated in Rome as part of Saturnalia.

The e-behemoth has just announced (IN SEPTEMBER) that it will be selling and shipping 7-foot trees this year. Here are the problems with that plan.

Pot-grown trees are a nice idea. Especially if someone else looks after them.

This dismal finding shows that our eating culture needs a serious overhaul.

It's Loyalty Day in America, but International Workers Day in much of the world. That's what we should celebrating right now.

There are some ideas that come around again with every economic crisis.

Why design fancy cups that work like disposables? Just sit down and smell the coffee.