Interest in rocket stoves is growing, and with good reason, as they're fast, efficient, and cleaner-burning than most other options. Here's a small affordable model for camping or emergency preparedness.

Lets declare a day of non-action, of unoccupying the big box stores. Instead, let's support our local, green neighborhood shops that need our custom.

A look at the intersection of three ways to deal with this weekend about shopping.

A good followup to Buy Nothing Day.

This year, take a side in the war on the car, and support stores on your neighborhood bike lane or transit route.

It's not all stress and extra work. In some ways, kids can make a trip more interesting and interactive.

How small is too small?

This new loft adds extra space and an extra bedroom in an urban apartment in Brazil.

A hopeful report by Greenpeace envisions a future where supermarkets have gotten rid of superfluous waste.

Can digital fabrication and robotic construction techniques help reduce the carbon emissions of concrete?

A new plug-in diagnostic tool could mean better healthcare around the world.

The batteries could provide back-up power for small solar power systems.

No more shopping blindly. It's time to question your whole approach to holiday gifts.

Main Street retail is vanishing under pressure from online shopping and rising rents. There are good reasons to save it.

They're using the Flashfood app to give customers steep discounts and divert food from landfill.

This stair does it all: it's a connector, a partition, a bench, a counter and a concealer of clutter.

XEROX/PARC Spiral Water Filtration Technology A typical water-treatment plant is very big and very expensive. XEROX's Palo Alto Research Center (PARC) has come up with a new technology that could make the whole process cheaper and simpler, potentially

By combining solar PV, solar thermal, and a heat exchanger, Desolenator has developed a low-cost portable water purifier and desalination device powered by renewable energy.

The iPod of thermostats gets updated with new energy saving features and increased functionality in its mobile apps.

The new technology would allow precise control over the transparency of windows and how much light is let in.

This might be one of the smartest ways to use a smart thermostat.

It may well be all most people need as a computer, and it may well be what we have been waiting for.

It's impossible for a human to know all of the hundreds of thousands of species of flowers on our planet, so Microsoft has developed flower learning software.

Constructed as an "apartment-house" hybrid, this prototypical 753-square-foot house makes the most of a small lot.

The Cornell Lab of Ornithology is a world leader in the study, appreciation, and conservation of birds. But the vast educational opportunities it offers aren’t reserved only for Ivy League students.

Cobalt is used to build lithium-ion batteries found in mobile technology. Much of it comes from Congo, where men, women, and children endure dangerous and unhealthy conditions to satisfy our hunger for new devices. It's time we paid attention.

Giving a kid a phone "feels a little like trying to teach your kid how to use cocaine, but in a balanced way."

The technology could help keep buildings cooler in the warmer months.

Modern building codes and zoning regulations, while helping to set safety standards that can save lives, can also serve as big barriers to building small, sensible, and affordable dwellings with alternative materials and techniques.

This problem gets worse as cars get bigger and heavier, no matter what they are powered by.

This clever replacement window expands out to create a private semi-outdoor space for people who don't have a balcony.

Perfect for small city apartments, this system allows you to use a variety of add-on components to build your own indoor garden.

At first this smart lock seemed like gimmicky over-engineering. Then I got thinking about the possibilities.

A 24-year-old food scientist at the University of Copenhagen has developed a prototype that could potentially save millions of lives.

How urban waste management is wising up.

Bigger wheels mean more stability and regular-bike feel, but it comes at a price.

Handcrafted with softwood, natural oils and waxes, this furniture unit makes a tiny, narrow bedroom feel much bigger.

A cramped, rundown apartment gets a makeover with this mysterious-looking black box.

This beautiful area near Salida, Colorado, could become the next national monument, with your help.

A study of the impact of small residential wind turbine installations on local wildlife populations shows a potential loss of habitat for bats and a steep reduction in activity around the units.

Dig out those old da Vinci drawings of winged flying machines, as he was really on to something!

The Echo Meter can detect, record and identify the sounds of bats nearby.

This app gives free ad space to deserving charities and NGOs on one of our tech-centric culture's most common screens - our smartphone lock screens.

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

A new study asked 24 travellers to take this challenge and report back on their experiences.

This unique travel guide is the perfect book for the eco-conscious non-tourist. It features 111 projects you can visit around Europe, that make our cities better.

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

Researchers from the University of Maine have linked habitual chocolate consumption to improved cognitive function.

Bigger isn't always better when it comes to life and gardens at Chelsea.

The small gardens are new and innovative and changing the way we look at them.