Think sustainable pink for mom this Mother’s Day when you’re planning your celebrations.

So that you don't wind up gifting an awesome mum something too sentimental and/or last minute, a few singular Mother's Day gift picks ...

Put down those flowers and jewelry. Here's what mom really wants this Mother's Day.

The U.S. tradition began in 1911, but many other cultures offer their own twist on the Mother's Day theme. Mexico's celebration in particular looks like fun.

In which I revisit some of my favorite posts from 2009. Watch a Malaysian mine collapse, read about a truly homemade toaster oven, and find out if kites can pow

EPAcoal.org launches a Twitter campaign to send a strong message of support to the EPA for regulating toxic coal sludge so it doesn't enter the water supply.

Despite claims that special interest groups don't have a place in the White House, some reports say that's not the case. Other reports simply don't exist.

A new study buries the concept of "fat but fit," and finds that obesity is more dangerous than a lack of fitness.

As the 'Mad Pooper' terrorizes Colorado Springs, many are asking why runners are so obsessed with poop anyhow.

Residents noticed 95-year-old Harvey Djerf struggling on his daily walks, so they came up with a kind solution.

It’s time to ditch the word "senior" and all the ageist baggage that goes with it.

Balance is tied to both strength and overall physical health, here are some exercises for any fitness level.

Your body clock influences what time of day you burn more calories.

Thomas Panek just became the first blind runner to complete the NYC Half Marathon with guide dogs.

These half-dozen exercises will help you shed pounds if obesity is in your genes.

Climatologist documents Greenland's warming conditions with a photo of sled dogs splashing in meltwater on top of sea ice.

The Amazon rainforest fires have been burning for 3 weeks, and some are wondering why Brazil's crisis isn't getting more attention.

Before clean air laws were passed in Pittsburgh, smoke left buildings in a nighttime shroud all day, yet air quality issues aren't really in the past.

The Canary is a smoke and carbon monoxide detector-cum-air quality analyzer sporting good looks and remarkable smarts.

Can a vacuum suck up China's smog? Daan Roosegaarde will test his new technology soon in Beijing's parks.

Tokyo, which cleaned up its act in the 1970s, is a role model as the Chinese capital starts to address some of the world's worst air pollution.

What good is it if all of the historical cities and natural beauty in China are covered by haze?

Electronics giant announces it will compensate workers relocating to China for the poor quality of air they will have to breathe.

Skeptics question whether China can grow its economy and fight emissions. The truth is, it has no choice.

Chilean soccer fans are urged do the unthinkable and kindly step away from their grills due to worsening air quality levels in Santiago.

A new initiative in India will employ up to 300,000 youths in an effort to improve air quality and provide opportunities to the unemployed.

The Gogoro Smartscooter doesn't have a plug; Instead, you swap batteries at a GoStation and you are on your way.

Research found no major difference in asthma rates of inner-city kids and those in other communities.

Since its release last Saturday, the film on China's crippling pollution has been viewed over 100 million times.

Paris gives cars the boot on this popular thoroughfare one day a month to promote clean air and exploring the city on foot.

PVC puts out a lot of nasty stuff when it burns, and it's probably still in the soot.

Preference for "cleaner" male trees and plants in urban settings may trigger extra sneezing and wheezing. That's botanical sexism, says Thomas Ogren.

This is what London's air would look like without cars.

This NASA image highlights wildfires, hurricanes and dust storms to show off the Earth's air quality.

Five of the best 7 months for Beijing air quality have occurred since last summer.

Falling levels of air pollution have resulted in a drop in California's dense tule fog.

A new study suggests that dark matter from the galactic plane may have been what really killed the dinosaurs — and it may one day threaten us.

Re-wilding nature is always controversial, as evidenced by the conflicting views in North Carolina over the reintroduction of the red wolf.

Death by acid was the fate of the sea monsters that perished in Earth's biggest mass extinction, some 251 million years ago.

This video is a good warning of the future of wildlife if populations continue to decline as Living Planet assessment reports.

The discovery offers new insights about dinosaur plumage, hinting at a 'chestnut brown' creature that couldn't fly.

The Jambato harlequin frog had been feared extinct for at least the last 30 years.

At least five similar die-offs have happened before, but this is the first in human history — and the first with human help.

The crest-tailed mulgara was once a common sight in New South Wales deserts before other predators edged it out of the habitat.

The Caribbean nation of Haiti was once lush with trees and the animals that lived there, but now only a few sections of primary forest remain.

Researchers discovered a Chelonoidis phantasticus giant tortoise on Fernandina Island. The last time this tortoise was seen was 1906.

Researchers extract nuclei from a preserved woolly mammoth carcass, implant them into the egg cells of mice, and watch as the bits became animated.

Zest up your holiday feast with these must-have sauces and spices.

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