Much of the world eats the same thing every day. Why are we so preoccupied with variety?

A new kind of food label hopes to fight obesity by stating how much exercise is required to burn it off.

You're more likely to eat certain foods if your friends post pictures of them.

Researchers gathered data over two years by following 70 different dogs, from 37 different breeds, as they... defecated and urinated.

The tiny house movement goes to the dogs with this $30,000 dream house.

The story combines the beauty of nature, wanderlust, and the deep love that can exist between human and dog.

The tech helps owners take care of their dogs the way the dogs take care of them.

It could also help us eradicate heritable diseases in dogs.

The real life romance sparked while making a merry romp of this endangered species protection success story could be the sequel!

Who would have thought our canine companions could have allergies to a carnivorous diet?

The last of these dog-like animals, also known as Tasmanian tigers, was thought to have died in 1936. But might they still be lurking elusively in the wild?

Authors of a new study say dogs may help develop over-the-counter tests capable of life-saving early detection.

The movement of air around the planet is fascinating, and has never been more clear thanks to this map. The modeling system used to make it can simulate worldwide weather at remarkable detail.

A recent report by the U.S. Environmental Protection Agency concluded that 55 percent of U.S. rivers and streams are in poor condition. When we see a number like that we might not realize how many rivers there are in the US...

Now we'll be able to see air pollution information along with city maps.

3D maps created by Climate Central show how sea level rise could change some familiar cityscapes.

80% of diseases in developing countries trace back to contaminated water. Could a simple ingredient from the kitchen shelf solve the problem?

Clean drinking water is one of our basic human needs, but in many parts of the world, it's also hard to come by. Here's another look at some of the latest concepts for providing clean drinking water.

In some areas of the world, transporting water to where it is needed is a major burden, in terms of both time and health, but a new solution may help to ease that process.

Providing clean water in areas with minimal local resources may be as simple as implementing this ingenious DIY water treatment system.

Last night, on her show, Rachel Maddow showed some incredible photos of an explosive accident at a Texas fracking site. After seeing the photos, you'll be surprised to learn that thankfully no one was killed.

A new cheap, lightweight sponge-like gel can quickly and efficiently disinfect drinking water for disaster victims.

The ÖKO Odyssey water bottle actually has six functions!

The bigger question: why is the industry playing into the hands of the anti-fracking activists?

Radioactive uranium occurs naturally in soils but farming techniques may be causing it to dissolve into groundwater

You may love the energy kick from coffee, but too much can be a bad thing. Try some of these greener, cleaner-burning 'fuels' that will wake you up, nourish your body, and keep you going longer.

Burning fossil fuels puts out a lot more than just CO2.

A Toronto city councillor is going to try.

We are going backward, not forward.

Why are we wasting such a valuable resource? Where will it come from if we don't drill for natural gas?

A 1.5-degrees-Celsius warmer world would bring bigger gusts of wind more regularly.

We are by no means helpless in the face of climate change.

Hear me out...

This man wants to prove a point about rising global carbon dioxide levels by locking himself inside this DIY greenhouse for the next three days.

More carbon in the air means less brainpower.

Along with climate-killing CO2, there are a lot of people-killing pollutants. Perhaps we should change our message.

The harshest snowstorms along the Eastern Seaboard will remain as frequent in a warming world.

Trump would rather keep humans out of the country than saltwater.

A new study suggests we look to the past for guidance on how to cope going forward.

With a warming climate, the remains of unlucky mountaineers are beginning to rise from the ice.

Lack of diversity makes grapes vulnerable to climate change.

It's time for some fareness.

It is recommended in the UK to reduce obesity. I recommend it to reduce obnoxious smells and garbage.

A microbiologist and an Anglo Saxon scholar decided to test a recipe from an Old English medical compendium called Bald's Leechbook, what they found surprised everyone.

These 7 sea-loving grandmothers are helping research an elusive venomous snake population.

A lesson in what happens when the humans disappear.

New quarters are coming and they star FRUIT BATS!

What's in a cricket's song? And how do they do it?

George Monbiot wades into the meat-and-climate debate by explaining how 'ethically' raised meat is actually worse for the planet than those raised in confined spaces. It leaves omnivores in an awkward position.

Climate change has become an ethical issue in the eyes of the Danish Council for Ethics, which suggested last week that the government consider a tax on beef, and eventually all foods depending on climate impact.