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Post date:
Wed, 04/28/2021 - 8:48am
A king salmon that has returned to Ship Creek to spawn attempts to leap over a waterfall near the William Jack Hernandez Sport Fish Hatchery on July 17, 2013, in Anchorage. (Photo/File/Anchorage Daily News)
Are toxins from road runoff a threat to salmon in Anchorage’s most popular fishing streams? A Go Fund Me campaign has been launched so Alaskans can chip in to find out.
The push stems from an organic compound in tires called quinone that was newly identified by researchers at the University of Washington, said Birgit Hagedorn, a geochemist and longtime board member of the Anchorage Waterways Council.
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Organizers’ hope is to partner with the municipality and the University of Alaska to advance studies and encourage tire makers to stop using the toxic compound.
Jacques Kleynhans
Methane-spewing cow burps are killing the planet. Livestock contributes 14.5 per cent of human-caused greenhouse gas emissions, according to the UN’s Food and Agriculture Organisation, and cows make up two-thirds of that figure. Four years ago, Josh Goldman read research from Australia s national research agency CSIRO and James Cook University in Queensland that suggested a solution: seaweed.
Sprinkle a tiny bit of
Asparagopsis taxiformis into a cow s dinner, making up about 0.2 per cent of their total meal, and they burp 85 per cent less methane – and, early trials show, require less food overall, as all that belching wastes energy. But for this red seaweed to solve cow burps, it needs to be easy to grow: 200 million tonnes of it will be needed if it is to feed the world s cattle.