These premade apartment units are lifted on top of the city's old buildings, making use and maximizing space on Barcelona's "forgotten rooftops."

The city's iconic chamfered blocks will become superblocks the size of small towns.

A compact apartment in a traditional building near Barcelona's waterfront is transformed into an airy, modern home.

The island that Marco Polo once described as "the most beautiful in the world" lived up to its reputation.

Making do with limited ingredients has taken on new urgency in pandemic times.

Only it can provide the rejuvenation and entertainment that cannot be found elsewhere.

This is our chance to commit to new ways of moving around the planet.

"Be like a squirrel" and other advice for unexpectedly difficult times.

It's a form of travel that is socially distant, cheap, and well-ventilated.

The country's ambitious reforestation project has received a surprise influx of laborers, thanks to coronavirus.

The gains are even bigger when beef is targeted specifically.

Hint: Forget the microwave. It's overrated.

Here is is the 2020 ranking of pesticide residue on produce.

A new study finds that it is unlikely that infected patients are shedding the virus through their tears.

The bean's big comeback. From longevity and weight control to being a better choice for the planet, here's why the humble bean is so mighty.

Coronavirus-inspired chick hoarding is a real thing; here's why it may not be such a great idea.

Skygazers are in for a treat in when the full Pink Moon, the biggest supermoon of the year, dazzles the heavens.

Our photo of the day comes from the Chocó region of Ecuador.

Skip the synthetic colors and raid the produce drawer to make vibrantly dyed Easter eggs.

The Icelandic Forestry Service is giving lessons in tree hugging, literally, and we are here for it.

Learn which kind of flour to use for each purpose, and how to substitute one for another.

As your indoor plants reawaken from winter dormancy, here’s how to prepare them for their glory days ahead.

Behold the delicious treasures of the citrus peel; here's how to get the best of the zest.

Less truly is more in this gem from Fresh Prince Studio.

The Hymer VisionVenture is small space living that moves.

But where do you put it?

An Oregon couple built this spectacular houseplant-filled yurt, and are offering a detailed online guide for free.

A table for 12 in a tiny home? No problem with this smart and lovely design with loads of hidden storage.

Beautifully crafted interior is a classic where sailors will feel right at home.

Who needs a Disney castle when you could have one of these fairytale tiny homes instead?

In this age of consumerism, particularly around the holiday season, sometimes its easy to forget that the things we've used the longest often have the most value to us -- but the virtues of reuse just seem come naturally to some

Real Christmas trees - the ones you go out and cut down yourself, are a growth industry, says SF Gate. That's because young adults are flocking to u-cut tree lots, out for the experience and the family time that Christmas-tree

I have to admit I'm a bit the green grinch of the family: I really can't stand all the mindless consumption over the holidays, and I'm always pushing the buy nothing concept. I don't even have a Christmas tree.

Devastating forest fires in the area haven't kept Haifa, Israel, from being able to put up a massive Christmas tree in the center of town. It helps, of course, that the tree is made entirely of recycled plastic bottles -- 5,480 of them.

Once all the gifts have been opened, all the feasting done, all the toasts made, the time will soon come to figure out what the heck to do with the Christmas tree around which so

The tree that will decorate Rockefeller Center this holiday season was cut down this week - but was it needlessly killed?

Trivia challenge: how many years can you run London with the power used on Christmas lights?

An island once home to a Renault car factory will be sustainably transformed. We also have a Christmas tree powered by jumping elves, a hydrogen-powered tractor, and more.

This Christmas tree by Giles Miller will keep on going, year after year.

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.

Why should Fox News have all the fun?

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.