Pollution

Microplastic poses a growing concern in oceans and other aquatic habitats.

Five Things to Know About Congress' Vote to Ban Microbeads

Included as exfoliators in many common soaps and cosmetics, microbeads now pollute waterways worldwide

A cyclist braves Beijing's smog with a face mask last month.

Beijing Just Issued Its First “Red Alert” for Smog

Will the city's latest smog crisis spur international action on climate change?

The Mysterious Case of the Adirondacks Sugar Maple

The trees are on the decline, but why?

People flocked to the streets during Paris' car-free day.

A Car-Free Day in Paris Cut Pollution by 40 Percent

But will the city say <i>non</i> to smog for good?

This Tower Scrubs the Air of Smog

The project is intended to draw attention to the problem of air pollution

Ozone Is Making Flowers Smell Different to Bees

New research shows that ozone-exposed flowers aren’t as delicious to pollinating insects

Smog glows in the sunset in Shanghai, China.

Air Pollution Kills More Than 3 Million People Every Year

Fine particulates and ozone have been linked to deaths from heart disease, stroke and lung cancer around the globe

A chance thunderstorm was the inspiration for Gordon Hempton's career as the Sound Tracker.

Are There Any Places on Earth Left Untouched by Noise Pollution?

In this Generation Anthropocene podcast, an acoustic ecologist tours the planet in search of pristine soundscapes

When Seals Molt, They Leave Behind Mercury

Pollution collects at the top of the food chain.

90 Percent of Seabirds Have Eaten Plastic

And plastic pollution will threaten even more birds as production grows

The Grand Canyon is Full of Mercury

Researchers find high levels of mercury and selenium in plants and animals along the Colorado River

Grimy City Buildings Re-Pollute the Air

Filthy urban surfaces “breathe” pollutants when they’re exposed to sun

Looking at tree density on a city scale.

This New Mapping Tool Shows City Planners Where to Plant Trees

Researchers at Portland State University have created an app that looks at tree density in respect to neighborhood, population and pollution

A map of nitric oxide pollution in Denver's Highlands neighborhood

Google Street View Cars Are Mapping City Air Pollution

Google, Aclima and the EPA team up to add sensors to cars, first in Denver and then in the Bay Area, that monitor air quality throughout the day

Discharge from the Gold King Mine colored Colorado's Animas River a distinct golden hue on August 6.

Why Tens of Thousands of Toxic Mines Litter the U.S. West

The spill in Colorado's Animas River highlights the problem of wastewater building up in abandoned mines

A researcher tests the sensor's stretchability.

Thin Sensors on Our Skin or in Our Clothes May Warn Us of Environmental Hazards

Australian researchers are developing flexible sensors that track dangers that humans cannot detect with their own senses

The Animas River under better circumstances in 2011.

What's Next for the Animas River?

Cleanup efforts are underway at the river, which turned a bright orange-yellow after a catastrophic chemical spill

Scientists Have Been Talking About Greenhouse Gases for 191 Years

The first explorations of the greenhouse effect began in 1824

Why the International Olympic Committee is Worried About Water Quality in Rio

Viruses and bacteria may threaten swimmers in the 2016 summer games

Skimming Oil in the Gulf of Mexico

Scientists Find a Natural Way to Clean Up Oil Spills, With a Plant-Based Molecule

Researchers at the City College of New York are testing a spray made of phytol, a molecule in chlorophyll, on oil in lab wave pools

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