This blog may help people explore some of the 'hidden' issues involved in certain media treatments of environmental and scientific issues. Using personal digital images, it's also intended to emphasise seasonal (and other) changes in natural history of the Swansea (South Wales) area. The material should help participants in field-based modules and people generally interested in the natural world. The views are wholly those of the author.
Tuesday 29 September 2020
Leave it to Super-Enzyme!
Plastic-eating bacteria were discovered on a Japanese rubbish tip. The enzymes, that the bugs used to munch on plastics, have now been bioengineered so they can destroy this waste material six times faster (https://www.theguardian.com/environment/2020/sep/28/new-super-enzyme-eats-plastic-bottles-six-times-faster). It seems very likely that the super-enzyme can be utilised to efficiently recycle plastics rather than incinerating them or putting them in landfill. There are even plans to combine the enzyme with another that digests cotton. This would enable clothing, combining natural fibres and plastics to be recycled. Currently, such clothing is an impossible problem for recycling and has to be simply burn't (increasing the release of greenhouse gases) or dumped. It might even be a partial solution to 'fast fashion' (cheaply made clothing, often from 'sweat-shops', that is worn a few times before being discarded).
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