It's one answer to the complaint that tiny houses are too small: build it with an electrically operated, expandable slide-out.

We love little boxes!

From giant whales and tiny living to Tesla, trees, and death cleaning, the year’s most read stories are like a field guide to groovy green living.

From tiny homes and camper vans to book hoarding and alternative lawns, here are the year's most read stories.

Tiny homes and food proved to be popular, but a story on sneakers (really?) ran its way to the top.

When Copenhagen failed in 2010, he denounced the failure.

Lead? Aerobic bacteria? Misleading labels? Consumer Reports tested popular brands of the widely used supplements; here's what they found.

Global Citizen changed the lyrics to include a strong anti-food waste message, and the result is both entertaining and informative.

Weed killer, it's what's for breakfast! Glyphosate found in 43 of 45 conventional oat products tested by EWG.

Docked electric cars can be worse than dockless scooters for pedestrians, but the UEone is a step in the right direction.

The leader of the Catholic Church used his strongest language yet to call for 'decisive action, here and now.'

How can a city destroy an edible garden on private property without legal permission? We also have the viral party-gone-wrong prank on Shell, the 12 most toxic fruits and vegetables, and more.

How to slow it? Access to voluntary family planning for all women. It more than pays for itself, reducing unwanted pregnancies, abortions, unplanned births... And helps reduce humanity's environmental impact.

Matt Ridley might be right about the world not ending on December 21 this year. But the rest of the article is delusional.

Graphic designer Jack Hagley's new infographic shows the world's population as 100 people.

The most recent U.N. demographic projections show world population growing to 9.3 billion by 2050, an addition of 2.3 billion people.

The incomparable Swedish medical doctor and statistician Hans Rosling tackles a very perverse and tenacious myth about overpopulation.

This large format photo book features hundreds of stunning images highlighting the effects that our global population of 7 billion (and growing) has on the Earth.

Says the United Nations Department of Economic and Social Affairs.

Population growth is in fact slowing down but everyone is using more of everything.

If the latest projections prove to be accurate, we need to plan for about a 10% increase in the needed supply of food, drinking water, and energy, and in carbon dioxide emissions by 2050.

Annual growth will soon be negative everywhere except Africa.

Combining computer-aided parametric design and the design principles of tensegrity (tensional integrity), this experimental pavilion tests the boundaries of building a stronger structure with less material.

A new study suggests we look to the past for guidance on how to cope going forward.

Even a species that has benefited from temperature increases in the past may be hurt by excessive warming.

Along with her large-scale drawings, artist Zaria Forman has recorded the eerie song of a warming planet.

With science pointing to all the pitfalls of sugar on human health and longevity, I have ever more reason to curb desserts and hidden sugars. Sadly, "reason" lacks in my vocabulary during the holidays. On

Cartoonist Joe Mohr shows how the chemical might have affected the cartoon hero

Nobody should be drinking canned beer. Period. But it is particularly bad for young women.

There is a fundamental logical inconsistency here. Either the stuff is bad for you or it isn't.

Cuddly, gentle, and low maintenance, there's a lot to love about these feathery fowl.

The Polluted Water Popsicles project is meant to shock viewers into realizing how serious water contamination is in Taiwan.

It remains to be seen how green (or not) new Pope Francis aka Jorge Mario Bergoglio will be, but this photo of him riding the subway in Buenos Aires, Argentina, certainly makes a good ad for public transportation.

We just noted the rising popularity of e-books as Amazon announced sales of digital books have consistently surpassed sales of hardcover books. However, don't think libraries will turn to ancient ruins quite yet. Pop

The top how-to food stories can be summed up in one word: COMFORT.

Even though it took 6 months to find an alternative, Coop refused to stock microwave popcorn because of the health risks to customers.

Need some houseplant inspiration? These are the plants getting the most love on Instagram.

Remember how aluminum cans are "100 percent recyclable into pure aluminum"? They lied.

The latest urban intervention to celebrate the city's status as European Capital of Culture is an unusual film venue for pedestrians.

September's most loved images from our Photo of the Day series.

Beware of the gilets jaunes, says Philip Stephens.

Mountain gorillas have become the only wild apes whose population numbers are known to be improving.

New York's brown bat continues to be hard hit by White Nose Syndrome (WNS). WNS is named for the white fungus that eats bat tissues and wakes the bats prematurely from hibernation. WNS has been

As alternatives to Big Oil and Big Coal emerge, it would be a mistake for executives to rely on loyalty or love from the public.

Famed chef Magnus Nilsson will be serving dinner for three days in Åre, Sweden … 4,200 feet in the air.

These premade apartment units are lifted on top of the city's old buildings, making use and maximizing space on Barcelona's "forgotten rooftops."

Shipping containers are the base for an instant "lush urban oasis."

Singer Austin Mahone teams up with The Allstate Foundation to encourage smart teen driving through its #GetThereSafe program.

Ofcom is looking into a popular morning show after its presenter made comments about baseless conspiracy theories linking Covid-19 to 5G.

Instead of car radio, people calling on digital assistants like Amazon's Alexa and Apple's Siri to fire up some music while they cook.