And the top 15 that are least toxic.

With news that Southwest is allowing mini horses on flights, here's what to know about these petite equine wonders.

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

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

When the splendid full moon rises this weekend, she’ll look a bit bigger and brighter than usual.

These incredible images sent back by the Juno spacecraft gives us a detailed look at Jupiter.

Not only did he have a startlingly brilliant brain for physics, but Stephen Hawking had a pretty good knack for life as well.

See the view captured by the International Space Station as the category 4 hurricane makes landfall over Florida.

Hubble's image of Messier 3 reveals what astronomers say is one of the prettiest "globular clusters" in the universe.

Think you need to be an engineer and spend a bundle to create a mini-hydropower generator? Think again.

Emissions from tropical hydropower dams in Brazil are up to four times higher than often assumed, new research shows.

Using the flow of water inside the pipes to power the water network's own monitoring devices could eliminate the need for batteries in those systems.

While grid-scale liquid metal batteries might be a more exciting technology, good old pumped hydro storage is one of the ways we can store power from intermittent sources (like solar & wind) or shift supply around (from the night to peak use).

A man named Manfred Mornhinweg found the modern world too "noisy and hectic", so he decided to build himself a house on a quiet 40 hectare piece of land in Chile.

For backpackers wanting something other than solar power.

Income for farmers, or fracked natural gas—will communities be allowed to decide?

When one tiny home isn't quite enough, how about adding another?

That's what a lot of people are saying as new pollution rules for 2020 get closer.

The timeline needs some work. But this is a start...

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

Nanotechnology breakthroughs have lead to a successful prototype of a device that could charge your cell phone with ambient noise or the conversations of users.

Walking and other gentle movements could power the next generation of devices.

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

When sunscreen chemicals wash off beach-goers, they bleach coral, stunt its growth, and sometimes kill it outright.

A look at our favorite posts from our sister site.

George Monbiot, everyone's favourite controversial climate commentator, launched the Be The Change conference with a bang here in London yesterday. He leaped off the starting blocks with the statement that not only is it imperative that we reduce Co2

Image credit: HowStuffWorks Environmentalism and Alternative Medicine - Oil and Water? George Monbiot is undoubtedly no stranger to controversy - my post about his climate change book, Heat, drew 81 comments, while his well publicized opposition to

I get the design part, but is it really sustainable?

These spikes might be intermittent. But they are getting bigger and more frequent.

Even with falling subsidies, solar still makes sense.

Mandatory solar panels are not the biggest deal here.

This is how to do climate action the right way.

The material could also one day charge our devices.

This aeroponic indoor gardening system from the Italian startup Hexagro is modular, scalable, and automated.

Capt. Neill's Seafood Inc. said its blue crab meat was American-grown, but it was imported from South America and Asia.

A new report describes the 10 species most at risk from policies proposed by the current administration.

The Swedish travel industry is woefully under-prepared for a changing climate, says researcher Stephen Gössling. Tourism to and from Sweden contributes 10 percent of the country's total measured CO2 emissions,

This family lives, works and travels in this modern tiny house, now located on a remote Scottish island.

This solar + battery + LED light combo aims to be the future of portable light & power.

These devices help solar lighting move beyond the flatness of traditional photovoltaic cells.

With temperatures soaring even before the calendar turns to June, the shade of the solar tree will be as welcome as its many functions

It simply doesn't recognize that some e-bikes are just bikes with a boost, and is unfair to older or disabled riders, or long distance commuters.

Tasked with finding the most heinous hue known to humans, researchers arrived at Pantone 448C – and the Australian government is putting it to good use.

The bin-sized device would turn household waste into fuel for heating hot water.

Eighty percent of garment workers are young women between 18 and 24. They are overworked, underpaid, and abused. That's where the real female empowerment needs to start.

About 100 years ago, my grandfather emigrated to the United States from a village near Lake Urmia, in what is now northwestern Iran. He died long before I was born, leaving me with

Wend magazine continues to bring together intriguing stories about human powered adventures from around the world. In the current issue, they inform us that in 2010 officials in Isfahan,

With water shortages and air pollution posing increasingly grave threats to the Middle East, artists in the region are working to make environmental issues more visible, both at home and in international

The Middle East environmental site Green Prophet names 11 eco-heroes for 2011 who are working -- sometimes at great personal risk -- to make the region a cleaner, healthier place.

Intrepid Travel's latest offering is an uncharted journey that starts in Tehran and ends in Istanbul.