While Unesco has asked Peru to limit visitors to the famous site, the government is making it easier for people to access.

"It's just an amazing, amazing thing that people have done."

The consumer products giant says it will "fundamentally rethink its approach to packaging."

In California, many people are saying that all the wiring should be underground because of fire risk. It won't happen.

While the immense amount of rain and devastating floods that hit Colorado nearly two weeks ago were already tragic , they have also exposed a concern regarding the lax environmental regulations that allow the oil and gas industry to drill in flood zones.

The biggest volcanic eruption in recorded history killed tens of thousands immediately, but the effects on climate continued for years.

The rupture spilled thousands of gallons of oil, contaminated at least four miles of beach and spread into the ocean.

Why make exceptions like this?

One hundred years later, we are still playing chicken with peoples' lives.

The online-only financial institution will provide low cost loans for solar, electric cars and even electric-assist bicycles.

This is the first-known attempt of a commercial company to undertake a physical clean-up of trash from open waters.

Upcycling workshops, electric deliveries and limited parking spaces. What's not to like?

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

Install and forget about these induction powered lights from Denmark.

Designed to reduce construction waste and with energy efficiency in mind, this new community gathering spot strikes an unconventional pose.

It is reflective and glows in the dark, perfect for "enhanced safety in traffic" -- and the dance floor.

Fireplaces! Candles! Clutter! What are these people thinking?

In late May, a cow named Yvonne decided not to be eaten, and broke through an electric fence to escape from the farm in Bavaria where she was being fattened for slaughter. Since then, she has been on the

From the world's largest to ones that were here long before the Mayflower, these noble trees are nothing less than U.S. national treasures.

There's no better way to enjoy a sky full of shooting stars than to sleep beneath them.

Another good reason to pile density onto subway lines: Almost free heat and cooling.

This very easy trick gives shoppers a quick way to grasp the good, the bad, and the ugly in packaged food.

For the Sunday, December 8 issue, a centerspread ad has been designed as a piece of planet-friendly wrapping paper.

Establishing certain habits can make cooking easier.

Consumer demand for meat, soy, palm oil, and more has resulted in 60% of primate species facing extinction.

Last week, we revealed the winner for our Participate! contest, Vinay Gupta's Hexayurt Project. This week, we are profiling two more great entries, the Participate! runners-up. Yesterday, we showed you easy to assemble, 100 percent recycled plastic

We´ve noted in the past plans for new desalination plants in Australia and low-grade energy desalination technology from New Mexico.

A proposed office uses "climatic architecture" to cool the building by making it into a natural wind tunnel.

The technology uses radiative sky cooling to help cool buildings without electricity.

The veteran naturalist and broadcaster is not holding back (this time).

Plastic pollution doesn't just kill fish. It kills people too.

Almost half of the land on Earth is now farmland.

The company explains why all-electric homes are healthier, safer, and more sustainable.

They're designed as temporary living for Malibu fire victims, but nice enough that they might never leave.

With aging baby boomers and young people who can't afford housing, there's going to be a huge market for these.

Eco-architect extraordinaire Michelle Kaufmann speaks with Hunter Lovins from Natural Capitalism Solutions in this TreeHugger exclusive from West Coast Green. Hunter is a professor, speaker and author on changing the conversation around business to

This is probably one of the most beautiful and awesome ads I have ever come across, thanks to Frame and Form. Watch the Xylophone of the Forest, and before you shrug it off because trees might have been killed for the making of this clip, hear me

Even if the label of "maven" is painfully over-applied, there are people who still deserve it. Zem Joaquin, the stylish polymath behind Ecofabulous.com, is one of those few. Zem has been on the editorial side of mags like House and Garden, Domino, and

It's time to rewild the manicured garden – here's how to start.

This could take a lot of smelly gas mopeds off the road.

Bill Murray looks like he is enjoying the ride. Others might go a bit faster.

Four people are dead, 120 injured and six missing in Hungary as torrents of red toxic sludge, the byproduct of bauxite refining for aluminum, burst from a containment pond and poured through six villages in three counties. A

The flood of toxic red sludge, which burst forth from a containment pond in Ajka, Hungary and covered several villages earlier in the week, reached a branch of the River Danube today. According to the head of the

How about using the light from already existing street lamps to spark off the festive season? Here are some off-the-grid parasite lamps so to speak, that look good by day!

The toxic red line that runs through this town -- as photographed by Palíndromo Mészáros -- is shocking evidence of what can go wrong.

Researchers combine social media and artificial intelligence to better predict damage from global sea level changes

It's a bird ... it's a plane ... it's a weedy seadragon!

Our photo of the day comes from Rockyview County, Alberta.

Our photo of the day comes from "The Wild Place Project."

Our photo of the day comes from Jackson County, Oregon.