Do we need hyperloops? No, we need trains that work.

I'm going to let Josh Tulkin speak mostly for himself on this one, but here's the thumbnail sketch of the situation: Tulkin received a latter from the Maryland State Police informing him that from March 2005 to May 2006 Tulkin was under

Image Credit: Getty ImagesFestivals are not a modern day invention. The roots of the celebratory gathering go as far back as the Egyptians, who used to toast the annual overflow of the Nile, which irrigated crops. Whether it be religion (the most common

"Less is more" is so over; These days the mantra is "too much is never enough."

Pioneers are already making inroads into the market. But once economies of scale kick in...

Finally, people are beginning to take this issue seriously.

Breadfruit trees planted by Trees That Feed Foundation are creating food systems and jobs in Jamaica.

Scientists say this is the only way to feed 10 billion people without causing catastrophic damage to the planet.

It's a number that's been thrown around a lot recently. There's a danger it will be misunderstood.

Guim Valls Teruel is travelling 5 continents on an electric bicycle to promote the use of cleaner energy and the non-reliance on fossil fuel worldwide. Currently in New Zealand, the Electric Bicycle World Tour has already clogged quite a lot of mileage

We have never actually explained this in one post on TreeHugger. I am going to try.

It's a moving target and, like TreeHugger hero Chris Magwood, we are all learning on the job.

Quebec architects propose a 48-storey tower in a forest, "a new relationship between humans and their natural habitat."

At TreeHugger, we like to keep things realistic, raise a skeptical eyebrow to potential vaporware, and to keep in check our giddy inner children that get sweaty palms when we see something like the VentureOne. After all, a bright idea, some capital, and

No "do the bright thing" for cars; instead, the BMW X6 designed to "look particularly menacing."

The competition is looking for new ideas for capturing the emissions from fossil fuels and turning them into something useful instead of harmful.

Researchers were shocked to discover what part of the bread-making process generates most emissions.

Opposition from the G77 Nations and the Vatican led to the removal of the words 'reproductive rights' from the Rio+20 text, leaving in 'acceptable modern methods of family planning'.

The incomparable Swedish medical doctor and statistician Hans Rosling tackles a very perverse and tenacious myth about overpopulation.

Move over, regular solar panels.

Researchers conducted the largest controlled study yet of the effects of energy drinks on the heart and blood pressure in healthy adults.

After seeing the stunning Dymaxion car built by architect Norman Foster in Abitare and the Guardian, I wrote "I want one." Not that an eleven-seater is particularly useful, but it is just so gorgeous. Over at Metropolis,

The biggest one is that no matter how clever the design, it is the land that matters, not the house, and that nothing has changed in 70 years.

A new kind of food label hopes to fight obesity by stating how much exercise is required to burn it off.

A taste-test between the two kinds of fat had a surprising outcome.

You're more likely to eat certain foods if your friends post pictures of them.

The device uses a tablet or smartphone to connect you with your pet during the day, give it treats and make sure it's not tearing up the furniture.

New research reveals the first solid evidence that an animal (other than humans) can distinguish emotional expressions in another species.

If you're in the Netherlands, your bikeshed must be huge, but what qualifies as a bikeshed in your city?

You may love the energy kick from coffee, but too much can be a bad thing. Try some of these greener, cleaner-burning 'fuels' that will wake you up, nourish your body, and keep you going longer.

We are going backward, not forward.

Along with climate-killing CO2, there are a lot of people-killing pollutants. Perhaps we should change our message.

Lack of diversity makes grapes vulnerable to climate change.

In which we tackle one of life's more pressing queries.

This is beyond climate denial, it's science denial

Forget light bulbs and cloth bags. The actions that will mitigate climate change most effectively are the ones nobody's talking about.

The U.N. just came up with some climate change solutions, and none of them are "expect techy solutions to pull us out."

A lot of people believe the Earth is flat. It's silly ... or is it?

A comprehensive look at why it is a problem, and who is fighting change.

It led to a series of other agreements that protected and cleaned up the Great Lakes environment

Climate change is affecting sea ice, which will have a direct impact on survival for many colonies of Emperors.

These are the ones that also had a green slant to them, making them special to TreeHugger's heart.

In two words: It's not.

Judith Thornton questions the conventional wisdom about plastic packaging. She has a controversial point.

Non-native species like zebra mussels make national news, but the dangerous plant variable milfoil is rarely discussed outside of lake communities.

This year's Stress in America survey by the American Psychological Association might make you feel not so all alone.

Doing street improvements for pedestrians and cyclists increases sales by 30 percent. So why aren't cities doing it?

Schools are also fundraising to supply face masks for children.

Are you buying for looks or for function? It can be a tough call.

After another site makes a list, we add our own suggestions.