It makes sense in Europe. Too bad North Americans have so few alternatives.

They incentivize air travel at a time when people should be flying less.

The number of people flying between German cities has dropped 12 percent.

The director of Celtic Connections questions the ethics of bringing in foreign artists to perform.

It helps you determine what it will cost to heat, and what you should do to seal it up.

All 250 stores, production facilities, headquarter, and e-commerce in North America will be closed for a day.

Robert Llewellyn explores Berlin's high tech systems for car sharing in an urban environment. He thinks he may have seen the future of mobility.

Shipping Containers are used as giant blocks to build a giant steel party room

From adorable baby sea turtles to lamps made of cow dung and 600-mile bike trips, it's been a wild ride.

This is a housing form that we should be building a lot more of.

As its reputation grows, the VeloBerlin film awards attract more talent

Tesla's new boutique shop on Berlin's famous KuDamm beckons, but where is Germany's national strategy for electric cars?

Just pick a scooter, drive it, then park it. Someone else takes care of the charging.

It is a strange and wonderful experience where you don't know what's around the corner.

An advertising gimmick that gives a whole new meaning to the words "training shoes."

Mayor says "Such tank-like SUVs do not belong in the city"

Researchers concluded that the spill probably doesn't pose a significant environmental risk, but the ash contained heavy metals like arsenic, lead and mercury.

"Tucked in a corner of the Old Executive Office Building, an obscure group of some three dozen economists exerts extraordinary power over federal rules intended to protect public health, worker and consumer safety, and the environment."

“The dangerous conditions behind the Kingston disaster were not isolated."

A town is prevented from creating regulations stricter than the state's rules, despite residents' concerns about groundwater contamination.

Filipino activists had been charged with trespassing in December 2009 to document toxic coal ash.

The EPA pledged new regulations after the TVA coal ash spill, but has been sitting on two proposals for two years now, and the problems that led to TVA are still rampant nationwide.

Things of Intrinsic Worth is a feature-length documentary which focuses on the ways coal mining is harming the livelihoods of Montana ranchers.

The coal industry continues to fight for profits over people, even though coal ash is extremely toxic.

A roundup of our Blankenship coverage over the years, and what led up to this tragedy and this indictment.

In advance of EPA's coal ash standards, a mother of four talks about her family's health problems due to nearby coal ash ponds.

But this is probably not the last we will hear from him.

A giant wave of pollution glop in 2008 convinced the EPA to regulate coal dumps more closely. But the Trump administration is changing that.

The award-winning DropBucket is a recycled cardboard trash can that can be reused and/or recycled.

How urban waste management is wising up.

Between 1999 and 2004, there was one death a year due to the falling of trees or branches in Colombia's capital city, Bogota.

Yesterday Mike reported on the use of mushrooms to break down disposable diapers, and the day before I posted a video of how mushrooms can clean up pollution, kill pests and recycle

Medellin, Colombia: This city's name used to strike fear in peoples' hearts. In the 80s and early 90s, it was known as the drug capital of the world and the most violent city on the planet.

In this open source design project, Dos Uno shares cool, easy to make designs for chairs, tables and shelves using cheap readily available materials.

In the fight against one of the honey bee’s nemesis, the varroa mite, scientists have found an ally in a widely-distributed mushroom.

Hornets, yellow jackets, tarantula hawks oh my. Wasps might be scary, but a world without them would be a disaster.

Big fuzzy bumblebees do plants a favor, while smaller bee species steal pollen from plants with little in return

Katherine lives in rural Ontario. Margaret lives in New York City. The way they enjoy their summers is bound to be drastically different.

There's an "epidemic" of unused vacation days in the United States. This startup wants participating companies' employees to trade them in for plan contributions, or booking flights and hotel accommodations.

Americans work way too long and too hard.

Beef Products Inc took its best shot at making up for its silence during weeks of public lashing over what has been dubbed “pink slime,” an additive in ground beef made through a high-tech process that BPI invented.

The world quietly reached a milestone in the evolution of the human diet in 2011. For the first time in modern history, world farmed fish production topped beef production.

You've heard them all before, but it doesn't hurt to be reminded of why these foods are destructive to our planet.

Would you go stinky for steak? By skipping 26 showers for every 4 oz hamburger you eat, you can offset the water used to produce it.

The report argues why a beef tax would be an effective step toward curbing greenhouse gas emissions and why we should all be paying more for climate-damaging foods.

Blending ground beef with mushrooms cuts both calories and carbon emissions. Oh, and lots of folks say it tastes better too.

A deeper look at Toronto's Bloor Street bike lanes finds more shoppers spending more money.

Way more people get traumatic injuries in the shower than they do on bikes, but almost nobody takes the most basic safety precautions.

The streets are deadly and the cops don't care, but we now have David Shellnutt.

The fashion designer says she doesn't "just chuck stuff into a washing machine because it's been worn."