Katherine and Margaret share their tips for green travel.

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.

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

Fast food is the enemy of green food, so why does an overweight America still eat so much fast food?

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.

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.

But assuming that lower-income citizens are content to eat cheeseburgers definitely is.

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.

Guess which industry pushed that one through?

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

Actually, this is something every country needs.

Changing attitudes about cities and getting people out of cars takes a lot of work.

It calls for more support of bikes, walking and transit, banning ICE-powered cars sooner.

If e-bikes are going to replace cars, they should be taken seriously and maintained properly by people who know what they are doing.

A lot of readers have had good experiences and saved a lot of money.

New studies find that sales are big and getting bigger. It's time to give them a safe place to ride.

These are the daily habits I've refined over the years and hope to see them doing someday.

All the stuff I once viewed as clutter has become a precious resource for my socially-isolated family.

A lovely lounger made from reused trampoline parts.

French company offers a transformer bed that rises up to the roof when you don't need it.

Mira Schröder lives and works in a shop where she can make her bed disappear.

In general flax has a relatively small environmental impact - and it gets even better when its organic. That's why companies like Libeco have decided to make organic lines.

This might be the perfect bed for a New York apartment.

It's an interesting alternative to a Murphy bed, and gets it out of the way fast.

UK brewer Seven Brothers has partnered with Kellogg's to use some of its less-than-perfect cereals.

All those cat pictures and viral videos won't harm the Earth.

Even in the wild world of offbeat wind energy machines, Tyer Wind's design stands out.

One of America's fastest growing professions, wind turbine technician, attracts people with a unique set of skills, as demonstrated by climber and composer Jessica Kilroy.

The moral of the story is: Don't go out and try to shoot lions.

The People's Choice award went to photographer Jo-Anne McArthur, who took the photo in Cameroon.

After breaking into a game reserve to hunt rhinos, not much was left of the three poachers.

Even though there has been notable progress, at current poaching rates elephants are still in danger of becoming virtually extinct on the continent.

Ethiopia’s ambitious national reforestation program seeks to plant 4 billion trees by October.

Purr, snuggle, awww, repeat.

Fashion designer Alexander Julian has clearly had enough of the University of North Carolina's aqua graduation gowns, he's gone and given his alma

What do you do when you turn 100? If you're Keith Richards, who go on tour. The same goes for the enviros at Reverb, a Portland, Maine, outfit that greens concert tours and venues. The nonprofit is taking votes on who to support for its 100th tour,

Do you have a grad about to turn that tassel around, or leaving high school behind for the big wide world?

Whether you're sending your oldest child off to his first day as a freshman or helping your youngest prepare for the beginning of her senior year, making sure your kids have the green gear they need for a successful year at college is

Students organize a massive call-in to demand the school transition away from coal.

For me, organizing is about people. I love that moment when a new volunteer realizes that she has the power to effect change. That she has the power to influence decision-makers and make a positive impact in her community.

But the builders and the realtors are fighting sprinkler laws across the country.

It has become a familiar pattern. A natural disaster occurs and we can't help but wonder how it may have been influenced by climate change. Here's a look at how the Colorado rains and flood were connected to global warming.

The Mountain Pine Beetle is getting more press because of the havoc it is causing in the Southern Rocky Mountains, but the Spruce Beetle has the potential to be equally or even more devastating in Colorado.

What these cars are capable of will come as no surprise to EV fans, but winning the King of the Mountain title puts another feather in the EV cap

Another good reason to move to Colorado.

200 tiny homes, a community building, an exercise facility, a restaurant, and other amenities will be built along the Arkansas River in Salida.

In a ghost town in the one of the coldest places in the US, lone resident Billy Barr has spent 4 decades recording snowfall … to the enormous delight of scientists.