Created for adventurers by adventurers, this unique hotel in Peru features three sleeping pods that guests must climb up to.

Ice cream lovers aren't happy to learn they're licking glyphosate on hot summer days.

New study says there's no safe level of exposure to organophosphates, a main ingredient in pesticides.

Norwegian architect Tron Meyer cuts a stair out of solid engineered wood.

Which side of the bed gets the stair? Batlab solves it with two.

It does a lot more than just get you from floor to floor, in this interesting Korean courtyard house.

Perhaps lofts are not the best solution for tiny homes and apartments.

This multifunctioning stair hides a generous bookcase underneath.

A health insurer practices what it preaches.

Here is an architect who knows how to get people on their feet.

Want to get quickly into the tree canopy? This modular set of stairs can be quickly and easily wrapped around any tree, without doing damage to the trunk.

Architect Tamir Addadi squeezes a lot into a very small space

Yet another reason to skip the escalator/elevator and hoof it instead.

And when you get to the top of this, you deserve a treat.

Sweden shows how to build comfortable apartments for families, and stairs that people want to use.

Michael Janzen comes up with an interesting and elegant design. But is it safe?

Belgian architects build a tower in a barn. But my, it uses a lot of lumber.

It seems that these days you can build just about anything with a CNC machine.

Neri&Hu turn climbing the stairs into an experience for Bloomberg in Hong Kong.

A good, if not very accurate, idea.

Why go diagonally when you can go straight up?

160 tons of steel and 10 tons of copper never looked so good

And believe it or not, it's environmentally friendly!

There's more than one way to go up in a small space, and this is one smart alternative.

Because if you make it beautiful and open, people will use it.

Syte Architects insert a mezzanine and a terrific storage stair in existing loft.

Sometimes you wonder what they were thinking.

This is a big problem in old buildings: providing universal access without ruining the look of the building.

A new study published by The Proceedings of the National Academy of Sciences serves as a great example of the interconnectedness of nature and how human activity can disrupt life-sustaining systems.

And yet it still plans to sell more oil...

Couldn't come up with a more succinct way of expressing this, so here it is direct from their website: "Central America has lost more than half of its rainforests in the last 50 years, contributing to mass extinctions and global warming. Rainforest

Several years ago, this established cooperative in Honduras decided to pursue Rainforest Alliance certification for its palm oil. Find out what it looks like today.

The city council has begun installing solar-powered lights around the streets of downtown Nairobi.

A public memorial ceremony will be held in NYC for Wangari Maathai on November 14.

From record investments in energy investments made by US states, to East Africa's largest wind power project, Chicago's smart gridization, to Chevron's huge fine being upheld, here's what we're reading today.

Now in its sixth day, the forest fire threatens critical habitats and precious water sources.

The approved measure ups fines from $480 to $120,000, and jail time from 2 years to 15 years.

Flying can be a divisive topic when it comes to curbing emissions, but airplanes have other environmental impacts too.

It was shot from "sea to summit" in Hawaii Volcanoes National Park, one of the most dynamic landscapes on Earth.

Soon you'll be able to see hardened lava flows, rainforests and beaches up close without leaving your house.

On Monday, a molasses pipeline (yes, that's a thing!) leaked 1,400 tons -- 233,000 gallons -- of molasses into Hawaii's Honolulu Harbor and it has turned into a killer mess with no quick solution.

Last week, 233,000 gallons of molasses spilled into Hawaii's Honolulu Harbor killing thousands of fish, eels, crabs and other aquatic life. And the damage continues to worsen.

It's not quite as dramatic as it sounds. It's simply a good demonstration of the power of regenerative braking!

This endangered Hawaiian monk seal was photographed at the Poipu Beach Park in Kauai.

There’s some good news about the endangered Hawaiian monk seal.

Building her first tiny home meant enough financial freedom for this tiny house builder -- enough to build another off-grid tiny vacation home in Hawaii.

Decommissioned buses are getting a second useful life as mobile shelters for Honolulu's homeless.

On the first of this month, Hawaii became the first state in the U.S. to put a plastic bag ban into effect.

There are worse places to be stuck than in Hawaii... I'm starting to think they did it on purpose!

It's the first plant plant of its kind in the states that generates electricity from the temperature differences in the ocean.