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

Around the country, Christmas trees are recycled for an unlikely purpose: they make for good fish habitat.

Created by Argentine designer José Manuel Rebert Alarcon, the sleek alternative to a dead tree allows other uses during the year.

A new twist in the ongoing debate over the best Christmas tree: live, natural, artificial, or other?

How much have things changed over the years? Not much.

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?

An old boat and nets are recycled into a lovely surprise.

We've done them all - the organic Xmas tree, the re-plant live Xmas tree, the bike-delivered Xmas tree. This one feels the greenest of them all.

Because it is really a Solstice Tree, and it is all about life in a harsh climate.

Instead of buying a cut tree that gets used once, choosing a potted or burlap-bagged living Christmas tree can yield years of enjoyment.

These eco-friendly decorating tips will make your tree greener than the color of its pine needles.

When it comes to live Christmas trees, we're still feeling the effects of the Great Recession ten years ago.

Every year, the town of Barrydale makes a magnificent tree using upcycled plastic, ribbons, and interactive lighting.

The e-behemoth has just announced (IN SEPTEMBER) that it will be selling and shipping 7-foot trees this year. Here are the problems with that plan.

Pot-grown trees are a nice idea. Especially if someone else looks after them.

It comes down to the plastic. I want as little of it in my life as possible.

From supporting local farmers to boosting happiness, there are many reasons to use a real conifer in your house.

A few households have had surprising visitors.

Almost every American office building and home has this.

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

There are some ideas that come around again with every economic crisis.

Compact but comfortable, this small home features clever small space design ideas and uses coffee grounds as fuel.

Check out an insulated stainless steel mug for free, as you would a library book.

Why design fancy cups that work like disposables? Just sit down and smell the coffee.

Talk about creative and adaptive reuse!

Does this make any sense, and is it truly circular?

The Washington Post has proposed the worst idea I've heard in a while.

Most wild coffee species are at risk for extinction.

Every year, people go crazy buying coffee and tossing the cups, in hopes of winning a prize. It's a ludicrously antiquated model.

This curious concoction has been engineered to have all of coffee's fabulous flavor, minus the bitterness.

That's what they are doing in Berkeley, and it will spread.

This could be the key to getting people to carry reusable mugs each day.

No more than six cups, new research says.

Travellers can take a reusable cup and drop it off at a 'cup check-in point' before boarding a flight.

A curious Norwegian initiative is connecting people in coffee shops who want to chat.

There is more money in it for the Convenience Industrial Complex.

But you'd better return it within 5 days or else you'll get fined.

Reusable mugs aren't everything.

But some thoughts on why they should...

Single-use cups don't need more sorting. They need to be eliminated.

The Canadian coffee giant has redesigned Roll Up the Rim to encourage reusable cups.

You may have learned that natural foods decompose in nature; Glacier National Park reminds us why it's a bad idea.

On Tuesday, President Obama will give a major speech on climate change. He is expected to make major policy announcements, including the regulation of existing power plants. Here are some reactions from around the web.

What should we make of President Obama's speech yesterday announcing his plan for addressing climate change? Here are four key moments worth remembering.

In his weekly address on Saturday, President Obama spoke about his new climate change plan.

Download it while you can.

All new clothing items from now on will be made with fake fur.

The Forever Floatride GROW is made with castor beans, algae, eucalyptus, and natural rubber.

The leather boots come in several styles for both men and women.

And the way they're made is less wasteful than conventional shoe production.