On a recent trip to the south of Spain, I visited the beautiful Cathedral of Seville, amongst the largest of all medieval and Gothic cathedrals, in terms of both area and volume. According to Wikipedia, the interior is the

I wrote last year about the Boulder-based Unreasonable Institute's search for people who have great ideas, who think big, who want to change the world, and who seem like they can. Last year's fellowship was a great

Kris De Decker questions some of our most cherished assumptions.

The discussion of implementing proactive environmental consciousness starts with our youth, who have the most influence on the trajectory of our eco-infrastructure.

These delicate works of art are made out of current and vintage newspaper broadsheets, and prompt us to look beyond the daily news cycle.

A new study found pollution is dangerous for the brain ... especially if you're male.

It is reflective and glows in the dark, perfect for "enhanced safety in traffic" -- and the dance floor.

Researchers at the International Centre of Insect Physiology and Ecology have developed a zebra-smelling cattle collar which will be tested on Masai herds subject to the biting tsetse fly,

When I reported on a planned 8,100 cow super-dairy in the UK, I noted that many dairy farmers were concerned that these industrial-scale operations would expose the public to the fact that even most smaller

A rare, early October blizzard has devastated the South Dakota rancher community, after as many as 100,000 head of cattle may have died following the October 3rd storm.

Livestock to Markets seeks to provide a sustainable solution to overgrazing in the Northern Rangelands of Kenya, creating local community capacity for rangelands conservation..

Here's what to know about Lynx rufus, the solitary wildcat that roams North America.

XEROX/PARC Spiral Water Filtration Technology A typical water-treatment plant is very big and very expensive. XEROX's Palo Alto Research Center (PARC) has come up with a new technology that could make the whole process cheaper and simpler, potentially

This simple, innovative solar still purifies water without electricity or filters.

With a $1 million donation, Andrew and Jane Cliffordhope will double the size of the world's largest cat-free sanctuary.

Is this really how it ends?

It's an industrial design approach, a product that is refined almost to perfection.

Another reason that we have to use less of the stuff.

Declawing cats often leads to long-term pain and unwanted behaviors.

Now you can handwrite letters on your computer.

Our photo of the day comes from the romantic rain forest of Ecuador.

Teacher Appreciation Week is May 6-10, 2019, with National Teacher Day on May 7. Every year, Project Learning Tree (PLT) recognizes the educators who have made the most significant contributions to PLT with the Leadership in Education award.

We all know the palm oil industry has a horrible reputation for deforestation. The Rainforest Alliance, however, believes that change can happen from within and that sustainable palm oil production is attainable.

And what happened to the guy who won the six figure salary to serve as caretaker of a barrier reef island anyhow?

A new study predicts that up to 21 million acres of rubber plantations will be required to meet our growing needs, spelling doom for biodiversity in parts of Southeast Asia.<

Yeah, we didn't believe it at first either. Apparently unlikely animal friendships go really far.

Where does Fluffy go when you aren't looking, and just what does Snowball get up to when she leaves the yard? A new study looks at how housecats move around.

Bobcats are amazing wild cats, and excellent hunters. Able to live even in suburban ecosystems, they play an important role in controling the population of rabbits, hares and other rodents.

Cats at several prisons world wide have been used to smuggle drugs and other banned items.

Lady Dinah's Cat Emporium will be serving up tea and kitty love.

Courtney Hatt and David Braginsky are working to crowd-fund a cafe and cat rescue in San Francisco.

Your cat deserves better; this architecturally designed house for cats might be just the thing.

Out of 300 photos of golden cats taken over the course of over 18,000 trap days, just four images of kittens have been captured.

Famed for their dogged indifference, cats just want to be understood and not terrified by your seemingly innocent human behavior. These tips can help ensure a happier, and thus healthier, kitty.

Pets, they’re not just for cuddling anymore!

If your cat passes out from the sound of crinkling tin foil, she’s not alone.

A new study aims to settle the debate about how and when this invasive species was introduced to the island country.

Wanting to make a massive life change, this man makes his exit from the corporate world -- with his feline friend and a self-renovated van.

FANAF separates cats from people in tiny Shanghai apartment.

This apartment has its own striking, modern-styled cat house within a house.

Because why shouldn't cats get a beautiful sofa of their own?

From knocking out fleas and ticks to fighting the havoc of hairballs, these simple, all-natural remedies are both planet and pet approved.

A new study finds that most recipes for homemade cat food lack essential nutrients and even contain potentially toxic ingredients.

These feline species are on the verge of disappearing forever.

Intended for short-term stays in nature, these prefab units can be transported and 'dropped into' almost any location.

Lightweight shelters might be an affordable and quick option for emergency housing, but they are also susceptible to damage from high winds. This prototype could be a better solution.

Combining the latest in digital design tools with time-honored rush-weaving techniques, this sculptural chair marries modernity with tradition.

This simple, foldable bee box attracts roaming bee swarms with a pheromone lure, and helps beekeepers safely relocate bees.

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.