Between planetary and personal health, there's a lot to be said for eating a lot less meat.

Forty companies just pledged to do their part to serve more veggies, helping the environment in the process.

Some of them taste better than the originals they were made from.

It's a veggie burger that actually bleeds. But who's the target audience?

A new campaign aims to bust the "protein myth".

Efforts to reduce meat consumption are shifting focus from individual choice to systemic changes.

The rise in not-quite-vegetarian eating has a ripple effect that shouldn't be ignored.

A new microbial fuel cell can not only drastically reduce the amount of sludge from wastewater treatment plants, but can also produce clean energy at the same time.

The first hydrogen fuel cell powered train in the UK was successfully tested last week, and the team behind it hopes to encourage further development by the rail industry.

Researchers have used abundant and inexpensive materials to create a tandem solar cell that can store solar energy as hydrogen for use at any time of day.

The fuel cell is part of Microsoft's Data Plant project to build a zero carbon data center.

The fuel cell generates electricity from living plants and could turn green roofs and marshes into power plants.

A robot powered by microbial fuel cells that runs on human waste helps out at a wastewater treatment plant using its artificial stomach.

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

Virginia Tech researchers figure out how to extract large quantities of hydrogen from any plant which could drive down fuel cell costs.

The groundbreaking technology has gotten even better with the ability to self-heal and produce hydrogen from dirty water.

A micro fuel cell could extend mobile battery life and charge up portable devices, with just the addition of a little water.

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.

This is a great way to understand the science behind microbial fuel cells and make a little renewable energy at home.

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

Mark your calendars: Toyota is promising (well, hinting very strongly), their 2015 model year collection will include a full-production hydrogen fuel cell vehicle.

Last week at CES in Las Vegas, Toyota revealed the FCV concept car for the fuel cell vehicle they will be making available next year. I had a chance to see the concept this week at the Detroit Auto Show.

This small hydrogen fuel cell charger promises a week of clean power for your gadgets. But is it ready for prime time?

After years of promises, hydrogen-powered vehicles are finally arriving on the scene.

Toyota has finally released its vision of the future, 20 years in the making!

With several starts and stops over the last 20 years or so, hydrogen fuel cell vehicles (FCVs) are finally hitting the roads.

The real competition for green tech is not other green tech, but the old, dirty incumbents.

A new patent filing suggests that the tech giant has fuel cells in mind for future computers and gadgets.

Hydrogen is abundant in water and full of energy. We just need a cheap way to get the hydrogen where we need it.

Just one more reason for Big Oil and Big Coal to worry.

Oh, the wonderful things that poo can do.

Goodbye car ownership, hello "mobility as a service."

The versatile, two-dimensional medium of paper is reconstructed into art that pops off the page.

Customers pay €1 for a reusable cup that can be returned to any participating business in the city center.

Because they started setting aggressive goals early, it still leaves Germany ahead of schedule on Paris Climate Agreement commitments

"Achtung Baby" is an American mom's analysis of how German culture fosters resilience in children.

Author Sara Zaske shows that it all comes down to respecting a child's right to independence.

Other cities might consider it to reduce congestion too.

A study comparing the two countries shows vast differences in how cars are used.

We have to rebuild our cities to use less energy and house more people, and Passivhaus design is a useful tool for both problems.

It seems that most transit decisions in North America are made with the goal of making life easier for people in cars.

As Barbara Hendricks leaves the Environment Ministry, we look at the success of meatless meetings in a country with a strong meat culture

It is exhilarating to have a bike anywhere you want it. It is depressing to see the state of the bikes.

It's not all about numbers, really there's more.

We have to start thinking about housing as a social good instead of a financial instrument.

This proposed home for a young family incorporates an efficient roof garden.

Cars kill thousands every day, wreck our cities, and spout CO2. What should we do about it?

This company is working to build a network of urban prefabs under a 'pay-as-you-go' model of home ownership.

This furniture designer's stealth van conversion has been created as a "test lab" for mobile, "democratic" small space design.