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VAN PHONG BAY, Vietnam — A bold mariculture experiment in this shimmering bay ringed by hills in central Vietnam is aiming to neutralize a globally significant source of greenhouse gas (GHG) emissions. An international team of scientists at Greener Grazing, an R&D company, is growing a feathery, fern-like red seaweed called Asparagopsis taxiformis in a […]
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 sh...