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Victoria’s unique dolphin population threatened by legacy of ‘forever chemicals’
New study finds dolphins, including critically endangered Burrunan, have among the world’s highest levels of chemicals banned decades agoGet our breaking news email, free app or daily news podcastIt has been half a century since governments around the world, faced with overwhelming evidence, started banning early generations of what we now call forever chemicals. Industrial chemicals known as polychlorinated biphenyls, or PCBs, and the notorious pesticide DDT had been widely used – DDT is credited with saving millions of lives from insect-borne disease, while PCBs were vital in electrical safety – before it was understood that they were serious environmental toxins.“The problem with these legacy contaminants,” environmental scientist Chantel Foord says, “is that they’re amazing in our products because they don’t break down, but they’re equally devastating in our environment because they don’t break down.”Sign up for Guardian Australia’s breaking news email Continue reading...
New study finds dolphins, including critically endangered Burrunan, have among the world’s highest levels of chemicals banned decades ago
- Get our breaking news email, free app or daily news podcast
It has been half a century since governments around the world, faced with overwhelming evidence, started banning early generations of what we now call forever chemicals. Industrial chemicals known as polychlorinated biphenyls, or PCBs, and the notorious pesticide DDT had been widely used – DDT is credited with saving millions of lives from insect-borne disease, while PCBs were vital in electrical safety – before it was understood that they were serious environmental toxins.
“The problem with these legacy contaminants,” environmental scientist Chantel Foord says, “is that they’re amazing in our products because they don’t break down, but they’re equally devastating in our environment because they don’t break down.”
Sign up for Guardian Australia’s breaking news email Continue reading...
