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

BMW has built the first of their Hydrogen 7 cars for public use, and handed the first set of keys over to US funny-man, Will Ferrell. 25 of the first 100 cars will be handed out to celebrities in order to promote their hydrogen cars in a predictable PR

Anticipation hangs palpably ahead of the Frankfurt International Motor Show: what will German engineers bring to the green table? After bucking the trend for several years in favor of the already well-established "clean diesel" technology, German car

Ed. note: This is now the fifth post in the Green Basics series of posts that TreeHugger is writing to provide basic information about important ideas, materials and technologies for new greenies (or those who just need a quick refresher). Read on and

Minimizing your footprint is nice. Maximising your impact is better.

Excessive population growth presents an immediate environmental danger greater than climate change.

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'.

If the latest projections prove to be accurate, we need to plan for about a 10% increase in the needed supply of food, drinking water, and energy, and in carbon dioxide emissions by 2050.

Hydrogen trains are now running in Germany. But are they really green and do they make any sense?

Stanford scientists figure out a way to get hydrogen out of seawater. Does this matter?

It can; but until Americans are willing to trade quantity for quality, nobody will bother doing it.

Of course, Bucky answered, "Why not?" On Pi Day, we look at the Dymaxion and other round houses."

The last of these dog-like animals, also known as Tasmanian tigers, was thought to have died in 1936. But might they still be lurking elusively in the wild?

The wind has never been this beautiful...

Who needs GPS? Nothing beats a trusty paper map for navigating a foreign city.

These water-packed foods can lend a helpful assist for meeting your daily hydration needs.

The harshest snowstorms along the Eastern Seaboard will remain as frequent in a warming world.

How can we be moving away from fossil fuels and spending billions on building pipes for them at the same time?

It's time for some fareness.

The robots have gathered new information that will help scientists determine how fast the ice is melting.

In two words: It's not.

A new study shows that there is some seriously low-hanging fruit here that would deliver more bang for the buck.

Some things were never meant to go in the blue bin.

A mix of modern and traditional design elements that are appropriate for the Northeast make these very interesting houses.

No longer will hunters be able to buy the right to kill this majestic apex predator.

Hint: It's all about putting women in their place.

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

Non-violent direct action is an important part of our democratic heritage. But occupation is a tactic, not an end goal.

There is a fundamental logical inconsistency here. Either the stuff is bad for you or it isn't.

Yes, in theory. Doing it in practice is a whole other story. This is another example of how the hydrogen economy is a fantasy.

So many flavors and colors of gas these days. They are all problematic.

As it turns out, personal energy choices can be contagious.

The world is awash in LNG that's a lot closer to the ocean and a lot cheaper to move.

If you guessed that climate-crisis-fueled, disease-carrying mosquitoes are wiping them out, you may be correct.

Some moth species have evolved noise-cancelling abilities that are more efficient than today's sound engineering technology.

This versatile ingredient can replace multiple others, allowing you to pack less.

You've heard about risky play. Camping brings together many of those elements.

Block off one day per week for athletic and outdoor excursions that otherwise would be difficult to schedule.

It assumes Halloween is all about the candy, when there's actually far more at play.

Enough with the negativity. Let's talk about why this spooky celebration rocks.

It's about so much more than getting daily exercise.

Toronto illustrator Sarah Lazarovic's Buyerarchy of Needs urges people to consider other options before hitting the mall.

It has become a trillion dollar industry where nobody wins.

From the chemicals to the lifespan to the landfill, it suffers many of the same problems as fast fashion.

Artist Jessica Rath uses sculpture and photography to highlight the problem with new hybrid apples and endangered varieties.

Engineering students come up with a hyperloop pod that floats on air.

Dr. David Katz argues that poor nutrition is a greater threat than the coronavirus, but we think both are concerning.

The answer is pretty surprising.

Polar bear attacks are on the rise thanks to diminishing sea ice, but Alaska's Polar Bear Patrol is doing an incredible job of keeping the peace.

Two very different views of public transit, from two authors that will be on Bookhugger this afternoon