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Researchers at the University of British Columbia, publishing in *Environmental Science & Technology* in 2023, have engineered a strain of bacteria capable of breaking down polyethylene terephthalate (PET), a common plastic found in bottles and packaging. The modified bacteria can degrade PET into harmless byproducts at ambient temperatures and pressures. This bio-engineering feat offers a promising, potentially scalable solution to plastic pollution.
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Why It’s Fascinating
Plastic pollution is one of the most pressing environmental crises of our time, with vast quantities accumulating in landfills and oceans, threatening ecosystems and human health. While recycling efforts are crucial, they often fall short. The development of these plastic-eating bacteria represents a paradigm shift in how we might tackle this problem. Unlike mechanical or chemical recycling methods, this biological approach could offer a more energy-efficient and environmentally benign way to break down stubborn plastics. The implication is that we could potentially deploy these microbes in contaminated environments, such as oceans or landfills, to actively remediate plastic waste. The next challenge lies in ensuring these engineered organisms are safe for widespread release and can be effectively controlled, prompting further questions about the ethics and safety of large-scale bioremediation.
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