William Henry Harrison, James K. Polk and Zachary Taylor all died under suspicious circumstances.

The color looks radioactive, but activists promise it is nontoxic and harmless to marine life.

"Ain't No Fish" is a stop-motion animated short film that uses a 1940s show tune to highlight ocean pollution.

Populations of the mosquito-like bug have exploded around India's Taj Mahal because of unchecked pollution.

A cave in Slovenia has two new baby olms — ghostly 'dragons' that can live for 100 years but rarely reproduce.

Dubbed the "Jacuzzi of Despair," this lake on the ocean floor is made of heavy water rich with toxins.

Neolithic humans in the Wadi Faynan region of southern Jordan may have polluted the river while first learning how to smelt.

Those who live in the Quebrada Camarones region of South America's Atacama Desert have a remarkable resistance to arsenic, which is in the water.

We know plastic products pollution the ocean, but washing yoga pants, athletic wear and other clothes is a rising cause of concern.

Paddlers Paul Twedt and Michael Anderson started their Three Rivers Project to clean up Minnesota's three largest rivers.

Using the Seine as a Summer Olympics aquatic venue is the end goal, but the general public will benefit, too.

Simple chemical process is cheap and safe, and could soon eliminate BPA as a pollutant.

Officials determined the color is caused by pollution in the nearby Kasadi river, and shut down a factory accused of dumping dye.

With fresh water supplies contaminated by Hurricane Irma, U.S. Fish and Wildlife Service employees are bucking the rules to keep Key deer in Florida alive.

New study reveals animals in ocean trenches are digesting plastic.

Conservation photographer Ben Von Wong's striking photo campaign aims to raise awareness of how microfibers from our clothes pollute the world's water.

Because of acidic water, volcanic fumes and too much carbon dioxide, you have to watch where you swim in some places in the world.

Untreated, unfiltered water is a pricey new trend that many are buying into — even though "raw" water could really cause you some harm.

159 coral reefs were examined in the Asian-Pacific region, and 89 percent of those reefs were contaminated with plastics and disease.

Radium, a naturally-occurring radioactive element that's also a known carcinogen, can be found in water systems across the U.S.

Direct-to-consumer water filter company Mesopaper removes a variety of contaminants without the mess, waste or high price tag.

A 2018 study found that microplastics are being introduced to the environment through fertilizers made through large-scale composting.

A research team working with an enzyme that eats plastic accidentally engineer it to make it better at breaking down PET.

If it isn't covered in toxic foam, Bellandur Lake in Bangalore is catching fire. The residents have complained

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

The Ocean Cleanup is ready to launch plastic-eating System 001 to the Great Pacific Garbage Patch.

Over 500 workers have been mobilized to deal with the endless tide of garbage inflicting the beaches of Santo Domingo.

This infographic breaks down how plastic pollution is killing marine life and what you can do to prevent it.

Benôit 'Ben' Lecomte hopes his attempt to swim across the Pacific will bring awareness to the plastic pollution creating 'an ocean in peril.'

Made of plastic and metal, it harms our oceans just like microbeads.

Even the Great Blue Hole in Belize, one of the world's largest sinkholes, isn't immune to human pollution.

Sewage in Mumbai's Thane Creek makes the city attractive to thousands of migrating flamingos, even though it's a turn-off for humans.

The oil leak may be releasing thousands of gallons per day, but after 14 years, it is finally at least partly contained.

Spanish endurance athlete Antonio de la Rosa is the first to cross the Pacific on a paddleboard.

Scientists says pollution on a planet may help aliens spot an advanced civilization.

EcoSnoop starts a new class of vigilante green apps for the iPhone. Now you can report neighborhood polluters.

Study estimates $1 million in annual savings, but light pollution and LED's inability to give off heat are issues.

Reduce light pollution to avoid insomnia, cataracts and other health issues — as well as save energy and preserve ecosystems.

You may not know it, but light pollution contributes to carbon emissions and interferes with animal migration. Take these simple steps to reduce it.

Light pollution steals from us the view of the universe in which we live. Check out this beautiful photograph taken high in the Sierra Nevada of an unblemished

Sky gazers carve out a spot in rural Georgia where the lights won't bother them.

Astronaut Ron Garan took a stellar photo last weekend of a Perseid meteor from space. See it and other Perseid photos from recent years.

The Bortle Light Pollution Scale is a good model for understanding how tainted our night skies are by light pollution.

A small town in Illinois has become the world's third International Dark Sky Community, a place that aims to protect the quality of its dark, star-filled sky by

'The City Dark,' the latest from Brooklyn-based filmmaker Ian Cheney, explores the effect of light pollution on the natural environment and on human health. It

Skylines and landmarks from across the globe turn off their lights for 60 minutes in celebration of Earth Hour.

The park is far enough away from light-polluted cities that its views of the night sky offer a glimpse of what could be seen before such cities were erected.

Do you even know what the night sky looks like sans human interference?

Thierry Cohen's artwork reveals the cosmic wonders hidden beneath the light pollution that masks the world's biggest cities.

Michigan photographer Vincent Brady offers a stirring time-lapse tribute to the unpolluted night sky — all 360 degrees of it.