In A.D. 536, a volcanic eruption sent a thick haze into the air that blocked the sun over Europe, the Middle East and some of Asia for 18 months.

Toyota has donated 4,500 free trees for this March's giveaway for New York City residents.

Business as usual is destroying our lives and the environment.

Guy Laramee's work speaks to the 'erosion of cultures' and our over-reliance on analytical knowledge, symbolized by the book.

Anas Cheema, a 22-year-old economics student at the University of Victoria, decided to dedicate his summer.

Part of the Keystone oil pipeline was shut down after a 5,000-barrel leak in South Dakota, the pipeline's operator TransCanada said.

Federal law requires mining companies to restore strip mines to their original condition, but many don't bother.

Mountaintop removal mining has destroyed hundreds of mountain peaks and at least 1,200 miles of streams in the Appalachians, and remains a hotly contested issue

Sprint customers can get instant credit on their phone bills by recycling old phones at local stores.

Michael Pollan explains how public health problems in the past made food so cheap it started costing people their health.

This short video of moving vegetables explains why so much food is grown yet so many people remain food insecure.

Aaron Tucker was hoping a job interview would change his life, but he wound up saving a life instead.

Brazen raccoon bandits may be trying to trying to send Toronto a message. They have been showing up in all sorts of places.

Working eight hours a day for two years, Jalandhar Nayak cut nearly five miles of road through the mountainous terrain of eastern India.

The Salvation Army's nonprofit grocery store, DMG Foods, has opened in Baltimore with help from the Maryland Food Bank.

Some are eyeing empty department stores as potential transitional housing for the homeless.

Danielle Fong was only 19 years old when she founded a technology company with the goal of perfecting green energy storage and utilization.

From pistachio shell-powered eco-cities to tiny houses on the moon, this spring certainly wasn't short on starry-eyed intrigue and bold ambition.

Two Toes, the original wiley coyote of the American West, is on the verge of howling on the silver screen.

This isn't your father's turbine. It can create more electricity at lower wind speeds and does a better job of predicting the supply of wind energy.

Renewable energy is already growing rapidly. But these recent developments in energy storage could prove to be a game changer.

We test out an easy method of removing burnt-on gunk from stovetop grates using ammonia.

Nothing gets the holidays off to a bad start like broken ornaments and tangled lights. Avoid the hassle and store them right.

In an effort to promote awareness about declining bee populations, a market removes all the food that relies on bees from its produce department.

New EPA regulations will clean up the biggest problem with burning wood: pollution and particulates.

The era of 900-watt-and-higher vacuum cleaners comes to an end in the European Union due to new efficiency standards.

The Nature Conservancy teams with the Archdiocese of Washington to curb urban runoff at a 150-year old cemetery.

The test orbiter is the first of NASA's retired space shuttles to receive the distinction.

As it turns out, the Swedish retailer's rooftop power plants are also the biggest in several other states.

In the wake of Hurricane Maria, Puerto Rico may turn to Tesla turning disaster into an opportunity to avoid future blackouts.

The breakthrough works like a rechargeable battery that is charged by sunlight.

As Harvey's floodwaters recede in Houston, Red Hook in Brooklyn, braces for the next big storm.

Cork advocates make a good argument to use the traditional wine closure.

Paper receipts are full of problems, not the least of which is BPA. But there are now many digital options for getting and storing them that make life easier.

Was the Gulf oil spill actually good for the region's economy? Maybe in the short-term—but the Gulf needs a long-term restoration economy, says Conservancy sc

Planet Green to premiere new documentary about the impact on Gulf residents of the largest oil spill in American history.

The amendment, part of a pending transportation bill, marks the Gulf Coast's 'most important conservation victory in a decade,' advocates say.

The oil giant has pleaded guilty to 12 felony counts and will pay a record $4.5 billion fine. Three of its employees have also been charged with manslaughter.

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.

Go ahead and have a seat. New research says it's not the sitting that's the problem.

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

Four cinder blocks + one minute of time = wonderfully functional rocket stove.

It's no Jurassic Park, but a flea stuck in amber for 20 million years may still shed light on the Black Death.

How did the Shirley Temple, the grandmother of all non-alcoholic cocktails, come to be?

How well-versed are you with our planet's fascinating geology? Test your knowledge and find out.

In England, Tesco supermarket is overhauling its fresh produce department to fight food waste.

The pilfering of e-mail correspondence among climate scientists from a major climate center in Britain two weeks ago has grown into a very public controversy un

Lisa Hendy is the first woman to become chief ranger at Great Smoky Mountains National Park.

Humans and house spiders go way back, yet we rarely give this relationship much thought. Here's what to know about your arachnid roommates.

'If you see me, weep,' reads one of these so-called 'hunger stones.'