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25,000 barrels possibly laced with DDT are found off California coast

One researcher said the number of discarded drums far exceeded his expectations. “It was hard to wrap my head around the density of targets,” he said.

Stunning DDT dump site off L.A. coast much bigger than scientists expected

As scientists on began interpreting sonar images gathered by two deep-sea robots, they were quickly overwhelmed. It was like trying to count stars in the Milky Way.


Pesticide DDT linked to increased breast cancer risk generations after exposure

A woman's exposure to the pesticide DDT during pregnancy can increase her granddaughter's risk for breast cancer decades later, according to a new study.

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How a shocking environmental disaster was uncovered off the California coast after 70 years

The lasting effects of DDT contamination are killing an alarming number of California sea lions. A 30-year study finds that 25% of adult sea lions have cancer.

How a shocking environmental disaster was uncovered off the California coast after 70 years

Just 10 miles off the coast of Los Angeles lurks an environmental disaster over 70 years in the making, which few have ever heard about. That is, until now, thanks to the research of a University of California marine scientist named David Valentine.

America’s bald eagle population has quadrupled

There were only about 72,000 bald eagles in the lower 48 states in 2009. Researchers say the population is now above 300,000.

Editorial: We need faster action on removing the DDT graveyard off the L.A. coast

It's frustrating that the federal government has moved so slowly to address such a significant environmental hazard.

Mission seeks answers on DDT waste barrels off Catalina

A team of Scripps and NOAA researchers set sail to map the seafloor for DDT waste barrels dumped decades ago. As many as half a million of these barrels could still be underwater today.

Glyphosate weed killer releases a banned pesticide into islands’ waters through soil erosion

Use of the herbicide on banana plantations explains chlordecone pollution off the coasts of Guadeloupe and Martinique

Mysterious California sea lion deaths linked to toxic synthetic chemicals

Scientists say animals with higher levels of DDT, PCBs and others in their blubber are more prone to cancer triggered by herpes.

Toxics and terns

A recent SUNY study drives awareness of the effects of toxic chemicals on wildlife.

Contaminants expected in very old Antarctic penguin poo

Adelie penguins nest in the same place year after year, sometimes for centuries, and their excrement builds into mounds that can be as deep as 1 metre. Within those mounds are soil, poo, feathers, bones and eggshell fragments that probably contain contaminants such as lead, mercury and DDT.


How the waters off Catalina became a DDT dumping ground

Decades ago, the Los Angeles coast was a dumping ground for thousands of barrels of acid sludge laced with the toxic pesticide DDT. The ocean buried the evidence for generations. No one could see it — until now.

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U.S. Steel abandons clean tech plans in Pittsburgh region following damning health study

The company scraps planned Pennsylvania investments and will instead shut down three polluting batteries in 2023. The announcement comes a week after a study shows lower lung function in people living near its Pittsburgh-region facility.

Fertility & Environmental Justice: A conversation with Shanna Swan and Annie Hoang

"These toxics chemicals are affecting you—not just the polar bears, the insects, and the birds."

Can marine protected areas reduce marine disease?

EHN talked to marine disease experts about the role of increasing ocean protection in combating rising disease rates.

Food dyes linked to attention and activity problems in children

"Most consumers have no idea that something that is allowed in the food supply by the FDA could trigger adverse behaviors."

Fractured: The body burden of living near fracking scientific investigation finds western Pennsylvania families near fracking are exposed to harmful chemicals, and regulations fail to protect communities' mental, physical, and social health.

Biden takes a run at America's glaring environmental problems. Can he succeed?

President Biden counts on a tenuous Congressional majority to dramatically alter environmental policy.

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