This week two scientists, Dirk Schulze-Makuch and Paul Davies, suggested in the Journal of Cosmology that it is time for humans to start colonizing Mars. Humanity needs some

Can humans endure the isolation, self-reliance, and deprivations of travel to Mars and back? Six pale-faced but smiling astronauts answer the question.

Researchers are working on "reprogramming" cells to create customized organisms that can be used for everything from new medicines to environmental clean-up crews.

Some new research looks at the unintended consequences of injecting aerosols into the atmosphere to block solar radiation and cool the planet, finding that doing so could turn skies everywhere into a brighter, whiter, hazier, ugly mess.

Geoengineering can be more than doing stuff to the environment. We could try leaving it alone.

Clarence Eckerson Jr's latest video has lessons that can be applied everywhere.

These are very common in Europe but new to North America. We need a lot more of them.

A new report examines the environmental and health impacts of consuming animals products.

There are good reasons for why the United Nations named 2016 the 'Year of Pulses'.

In a few years people around the world, including you, may be sitting on a different kind of toilet.

Architects, engineers, landscape architects and urban planners all have a role to play and should be acting now.

The Searaser takes a novel approach to wave energy generation. New owners Ecotricity - pioneers of wind power in Britain - are aiming for mass deployment in the next five years.

Scientists have developed a piezoelectric speaker that can playback the full frequency range of dolphin sounds, getting us closer to human-dolphin communication.

By 2050 wave and tidal power could supply 11% of current UK electricity demand.

A new kind of hybrid generator promises to double the power output for the same surface area, by also harvesting energy from ocean currents.

The new wave energy harvester will be utility scale and tough enough to need little maintenance, even in rough seas.

The wave energy generators would help to both generate power and dissipate the power of the waves crashing against the shore.

Normally you can't have it both ways, unless you have a member of congress in your pocket.

Building new roads has been a major contributor to the city's unsustainable growth, newly released Landsat photos show, but more of the same appears to be on the horizon.

A fisherman who had criticized illegal fishing practices loses an eye in an armed attack as diminishing fish stocks and increased debts create a volatile atmosphere.

"This is not concrete, this is nature!"

Nature and the environment are still a big part of this protest.

This renovated apartment incorporates some interesting storage concepts for a cleaner, brighter space.

This compact shelter is a place for a family to spend their summers in the middle of nature.

Tourists can witness it firsthand, thanks to Intrepid Travel's partnership with a local NGO.

All of which could be summed up in one statement: Turkish food is fantastic.

It's an all-natural TreeHugger-approved carbon capture and storage plan.

This week's photo roundup includes a sculpture made from living cherry trees, an artist catapulting LEDs into the sky to make stars, and more.

We've featured a lot of treehouses on TreeHugger, but the plans for this one are a little different: Ten cherry trees will be planted in a circle, and pruned and bent over time to form a unique, two story sculpture.

The sharing economy is all about access instead of ownership. Can this mindset be expanded to help hunters rethink what they value when it comes to trophy hunting?

Fussing with a camera can mean you miss the actual moment you're trying to preserve.

Innovation may be a fundamental part of

This shed packs it all in -- workspace, guesthouse, storage, seating, rooftop terrace and even a concealed kitchen.

Naturally, official Nordic eating guidelines include things like: "Eat more food from wild landscapes."

Emerging out of a park in Seoul, South Korea, this dynamic piece of urban furniture offers a place to sit, walk and play.

Art meets accidental crowd-sourced recycling.

It's not urgent in the big picture, but it's something we should be doing more.

A new downloadable planner from Citizenne Style can help you create a 10-day fashion plan using minimal items.

Scientists find that tumors hold information like a 'black box' pointing to the specific cause of disease.

If the harmful chemicals weren't bad enough, new research finds that many e-cigarettes also include unhealthy biological contaminants.

The tiny fuel cell is long-lasting, low-cost and could power our tablets and smartphones with clean energy.

A long-suspected secret behavior of water molecules in ice is seen for the first time using a new technique that could help develop energy alternatives.

The Redox Power System will use technology to produce energy more efficiently for far less money.

Replacing diesel systems with fuel cells could give refrigerated a clean-energy makeover.

Oh, the wonderful things that poo can do.

Think antipasto spread, but with so much more than meat and cheese.

Limits would save lives and significantly reduce carbon emissions, but let's keep our priorities straight.

I have always wondered why a sandwich of polystyrene and concrete is considered green, and have taken significant abuse for my position on insulated concrete forms (ICF). Now an interim report from the impressive-sounding MIT Concrete

Canada's environmental regulatory agency has allowed genetically engineered salmon eggs to be commercially produced.

For almost 30 years the Council has been fighting against regulation that would limit balloons for environmental reasons.