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.

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.

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

If you're not into bar soap, here's an innovative option for liquid hand soap.

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

Purr, snuggle, awww, repeat.

We turn on the tap and run some of our favorite stories.

The holidays are a time of joy, happiness, families and... waste? Estimates show that almost 25% of waste produced in the US comes from the six weeks between Thanksgiving and New Years. But we can change that, starting now.

We learn that Agenda 21 is part of a much larger Mainstream Media plot to hide the UN takeover of the American government.

But don't think that it is the only thing that keeps construction workers safe.

Spread the love with flower seed bombs, Mexican dark chocolate fondue, reclaimed housewares, organic textiles, and more.

We're heading to Rio for World Environment Day. Here's a sneak peek at what's happening in Rio de Janeiro this week.

There's a lot to learn from making the same recipe over and over (and over and over....)

A tree-planting campaign that's as easy as a click, text or tweet seeks to reach a million before December 31.

Live Christmas trees are a great way to keep the holiday spirit alive into the New Year. But what if you could eat them too?

A look back at when we started learning the truth about natural gas.

Planting trees is one of the most effective things we can do to fight climate change. Too bad Arbor day is missing the opportunity.

It's Loyalty Day in America, but International Workers Day in much of the world. That's what we should celebrating right now.

No more than six cups, new research says.

These U.S. companies make high quality organic, vegan and cruelty-free products.

Sometimes we have to decide between "neighborhood character" or carbon emissions and density. A new Passive House in Vancouver is a good example.

A response to Black Friday and Cyber Monday with the goal of inspiring conscious consumerism.

73% of chocolate comes from Africa, and much of it is worked by children, virtually in a state of slavery

You don't want to ruin the romance with a gift contaminated by child labour and slavery.

As you spoil mom on Mother's Day, amplify your appreciation by opting for Fairtrade products that will turn the day into something even more meaningful.

There are many reasons to celebrate chocolate, not least of all for the surprising health benefits a bar of high-quality dark chocolate brings with it. What are you waiting for?

What a way to master the arts of carving and design: one a day for a year.

My flame for the small-business and artisan supporting marketplace was re-kindled surfing the 263 items -- from mat bags, to hand-knit yoga socks, calming wall art and more -- made locally in Brooklyn alone.

Who needs Black Friday and Cyber Monday? Indego Africa gives #FairTuesday a fashionable and affordable twist with colorful jewelry, accessories, and holiday gifts.

We didn't do a gift guide this year, but we are big on recycling.

Is it helpful information or a form of digitally-enabled helicopter parenting?

With ~30+ new posts on TreeHugger.com each weekday, we understand if you miss a post here and there. To keep you up-to-date, here's what we covered on Thursday, July 28, 2011.Animals David explained the difficulties of GPS

With ~30+ new posts on TreeHugger.com each weekday, we understand if you miss a post here and there. To keep you up-to-date, here's what we covered over the weekend, July 29, 30, and 31, 2011.Animals Jaymi told us that

With ~30+ new posts on TreeHugger.com each weekday, we understand if you miss a post here and there. To keep you up-to-date, here's what we covered on Monday, August 1, 2011.Animals Alex Davies informed us that New York dairy

With ~30+ new posts on TreeHugger.com each weekday, we understand if you miss a post here and there. To keep you up-to-date, here's what we covered on Tuesday, August 2, 2011.Animals Lloyd asked is urban chickens are a gateway

With ~30+ new posts on TreeHugger.com each weekday, we understand if you miss a post here and there. To keep you up-to-date, here's what we covered on Wednesday, August 3,

+ Inhabitots just turned three years old! My how quickly baby blogs... and babies grow up! Celebrating your little one's third birthday? Here are six green gifts your tot will love!

Today, September 6th, Trash Tycoon officially launches! It's been a long, hard, fun road getting to this point, and we owe a special thanks to all the beta testers who have been playing and submitting bugs and comments on the forums.

TreeHugger and UNEP announce return of World Environment Day Blogging Competition.

Show the world your environment with a new TreeHugger and UNEP partnership with Piictu, a photo sharing social network.

The votes are in and these are the top 10 finalists in the 2012 World Environment Day Blogging Contest! Read their posts and vote for the winner!

Congratulations to Scott Bartlett for winning the UNEP and TreeHugger World Environment Day Blogging Competition!

It takes a licking and keeps on ticking

They have not changed much since Archimedes' time.

A look back at the Roman Bath, which was a wonderful idea.

It stands out among the cellphone cases at CES like gold among the dross.

Get help with student loans today!

Northwestern Mutual will support the fight against childhood cancer by hosting lemonade stands nationwide as part of Alex’s Lemonade Days (June 12-14). Join the fight and build your own lemonade stand.

Closing Bell Opens Doors for Students

Dozens of nonprofits, celebrities and BGC partners unite for Charity Day 2015.