Search results for PCB

Plants & Animals Mar 27, 2024

Scientists warn that the Baltic Sea gray seal hunt is too large

Researchers at the University of Gothenburg warn that today's hunting quotas of about 3,000 animals pose a risk to the long-term survival of the gray seal in the Baltic Sea. The conclusions of this new study are based on ...

Environment Mar 22, 2024

Unintentional generation of PCBs may be producing more of the chemicals than before ban

A trio of researchers at Chemistry Matters Inc., in Canada, has found evidence suggesting that more polychlorinated biphenyls (PCBs) are being generated today than before they were banned.

Astrobiology Mar 18, 2024

Could Earth life survive on a red dwarf planet?

Even though exoplanet science has advanced significantly in the last decade or two, we're still in an unfortunate situation. Scientists can only make educated guesses about which exoplanets may be habitable. Even the closest ...

Environment Feb 23, 2024

California faces an uphill battle against plastic

Given its green bona fides, it's no surprise that California was the first state in the nation to ban single-use plastic bags 10 years ago. Many were hopeful that would make a dent in the plastic pollution crisis, one canvas ...

Earth Sciences Feb 2, 2024

Sedimentary records of contaminant inputs in Frobisher Bay provide record of changes in contaminant levels over decades

Although contaminant levels in Arctic environments are often lower than those in temperate locations close to cities and industrial areas, contaminant studies in the Arctic remain important due to the potential for bioaccumulation ...

Environment Dec 7, 2023

'Forever chemicals' found in freshwater fish, yet most states don't warn residents

Bill Eisenman has always fished. "Growing up, we ate whatever we caught—catfish, carp, freshwater drum," he said. "That was the only real source of fish in our diet as a family, and we ate a lot of it."

Environment Dec 2, 2023

Toxic chemicals in UK whales and dolphins are exceeding safe limits

Almost half of marine mammals around the UK are being poisoned by banned chemicals.

Plants & Animals Nov 28, 2023

Thirty years of data show persistent organic pollutants remain a threat to marine biodiversity

A team of zoologists, environmental scientists, marine biologists and life scientists affiliated with several institutions in Ireland and the U.K. has found that despite international bans, persistent organic pollutants (POPs) ...

Plants & Animals Nov 13, 2023

Endangered turtle population under threat as pollution may lead to excess female hatchlings

Green sea turtles, Chelonia mydas, are listed as endangered on the IUCN Red List of Threatened Species. They are at risk of extinction due to poaching, collisions with boats, habitat destruction, and accidental capture in ...

Plants & Animals Nov 8, 2023

Baby dolphins found to receive high doses of persistent organic pollutants from their mothers' milk

A team of marine biologists from the National Oceanic and Atmospheric Administration, working with a pair of colleagues from the Naval Information Warfare Center Pacific, has found that dolphin calves born to mothers in the ...

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