A British activist is trying to reduce her personal carbon footprint to one tonne of CO2 per year. This is very hard.

There are lots of good reasons to buy local, but don't worry about the impact of shipping.

And the air outside in urban London is pretty awful.

From sitting in on scientific research trips to experiencing traditional native cultures, these are the responsibly-run hotels, resorts, and trips everyone's talking about.

The pioneering site that brokers accommodation in private homes must now pay city hotel tax in San Francisco, according to a new ruling. What does this mean for collaborative consumption?

Discover the miniature, magical world of tide pools -- and beat the heat -- by heading to North America's coastlines.

Whether the Great Recession is over or permanent, Americans seem to want more from a vacation than staying home. Biking is a beautiful way to vacation.

But regardless of what green initiatives they implement, tourists must be willing to change, too.

As part of an ongoing series about the Maya Ka'an community-based tourism initiative, this was my first official day in the Mayan region, and it was certainly full of adventure.

This NGO is doing wonderful work to bring sustainable tourism into the mainstream. It's time to start planning your next vacation!

Snakes, spiders, and bats in a tight space may sound like the stuff of nightmares, but Kantemó, Mexico, is actually an incredible place to visit.

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

No more excuses! Book that time off and feel guiltless while doing so, since you'll be a better partner, parent, and employee as a result.

More and more people are working remotely. Now, alternative travel companies are offering what they are calling "co-workations" -- a combination of a creative business trip and inspirational adventure holiday for location-independent professionals.

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.

From vintage trailers and tepees to mansions in the mountains, AirBnB has partnered with the National Parks Foundation for rentals near the country's natural treasures.

Americans work way too long and too hard.

Plus, how to be more eco-friendly while traveling.

Don't be in such a hurry! Here's why you should slow down and visit the quirky landmarks that so many small towns have to offer.

From geo-domes in Finland and treehouses in France to safari tents in the Washington woods, these glamorous camping spots promise some wintry wonderland adventure.

Confirming what previous studies have shown, new research from the Union of Concerned Scientists shows that the main threats to tropical forests are no longer from

World consumption of animal protein is everywhere on the rise. Wherever incomes rise, so does meat consumption.

The suit, brought in South Dakota court, seeks over a billion dollars in damages against ABC News -- even though ABC never originated the term and was just reporting what everyone else was calling it.

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.

Muscle-meat grown in a laboratory is no longer in the realm of science fiction, except for the price of an 'all-beef' patty.

Known as "lean finely textured beef," the highly processed meat has been dropped from by many fast food chains, but are still one the menu at public schools.

In every society where incomes have risen, the appetite for meat, milk, eggs, and seafood has generated an enormous growth in animal protein consumption. Today some 3 billion people are moving up the food chain.

A new initiative from the fast food giant aims to rethink the global meat industry. But is that even possible?

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

The meat vs. veggies debate is a lot more complex than it seems at first glance.

A new study shows that if we want to stop climate change, meat and dairy are off the table -- at least in the quantities we currently consume.

A new paper compares eggs, dairy, poultry, beef and pork to determine which has the biggest environmental impact.

The company has launched a few efforts to reclaim marketshare, from promoting regional specialties to answering questions about food production. Too bad the promotional videos aren't convincing and fail to address the whole issue.

Despite the fact that livestock production contributes more greenhouse gas emissions than the entire transport sector, there is an appalling unwillingness to change eating habits in order to make a difference.

According to the research of author David Simon, the externalized cost of our animal food system totals about $414 billion per year, which is carried by all of us.

Is the dream of sustainable agriculture a nightmare for the beef industry?

Recommendations to eat less meat for environmental reasons won’t be included in the final 2015 dietary guidelines.

It turns out that it's probably beef fat.

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.

Adding vegetables or legumes to ground beef makes a burger that's tastier, healthier, and less environmentally damaging.

"Since the mid-90s, levels of crude protein in the plants, which cattle need to grow, have dropped by nearly 20 percent."

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

Guess which industry pushed that one through?

Samoa's To Sua Ocean Trench is a natural salt water swimming hole that looks too beautiful to be real.

And then they yell at cyclists for not following the rules.

This city used to be a model for the future of biking in North America. Now it is just a deadly mess.

Bike lanes carry the shock troops in the never-ending war on the car.

It's got something for everybody in a compact and clever e-bike that can carry a big load.

Actually, this is something every country needs.

Bigger wheels mean more stability and regular-bike feel, but it comes at a price.