u3a

Climate Change & Environment

Category: pollution

  • Plastics

    Sources: Bacteria which eat plastics https://theconversation.com/most-plastics-are-made-from-fossil-fuels-and-end-up-in-the-ocean-but-marine-microbes-cant-degrade-them-new-research-230530 Plastic-eating bacteria can help waste self-destruct / BBC News 30 April 2024 https://www.nsf.gov/news/genetically-modified-bacteria-break-down-plastics-saltwater These are references from the talk 'Plastics and Environment' (13 Oct 2025). Slides are available on the Talks page. [1] ‘Worrying’ amounts of microplastics in chalk stream / Jon Cuthill for BBC South 1 Sept 2025[2] Plastics: all around us and inside us / Rose Read more

  • PFAS

    The 'forever chemicals' are per- and PolyFluoroalkyl Substances (PFAS), which have the endearing properties of being both toxic and nonbiodegradable. There is a useful introduction here. I haven't paid these much attention - just another pollutant; after all, we've been putting nasties into the environment for millennia (think lead, mercury, asbestos). We're still learning about the effects of Read more

  • Plastic pollution summit derailed

    In face of opposition from oil-producing nations, INC-5 concluded without agreeing a treaty on plastic pollution. The majority of countries will look towards further negotiations in 2025. Six takeaways from the INC-5 summit on plastic pollution | Beth Jones for resourcemedia, 5 December 2024 Post. Categories plastics, pollution.Click on a link to see related content. Read more