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Phoenix666 writes:

To estimate the risk presented by plastics when they accumulate in the environment instead of in the garbage bin, the team of chemists led by Frederik Wurm are working on the PlastX project with social scientists from Goethe-Universität in Frankfurt and the Institute for Social-Ecological Research. The researchers are seeking to present potential alternatives to the customary polymer materials and to put forward proposals on how environmental pollution by plastics can be reduced, not just in Germany but primarily in developing and emerging countries. The North-Rhine Westphalia consumer advice centre, the "Gesellschaft für Internationale Zusammenarbeit" and various companies – such as the supermarket chain Tegut – are also taking part in the project being funded by the German Federal Ministry of Education and Research.

The researchers working on the PlastX project soon realized that there were no straightforward solutions to the issues they were seeking to resolve. First of all, there is the danger that plastics in the environment pose to animals and humans. The materials are today perceived as a threat for this reason alone because they are so durable and accumulate on a large scale in the environment unless they are properly disposed of. The figures in themselves are alarming: A US study conducted by, among others, researchers from the University of Georgia revealed that the volume of plastic waste is increasing by 4.8 to 12.7 million tons a year – mainly because packaging and unwanted devices are carelessly thrown away. According to a study by IUCN, an international nature conservation organization, between 0.8 and 2.5 million tons of plastic micro-particles are pumped into the oceans each year.

"It is not yet clear to what extent plastics – particularly in the form of micro-particles – are hazardous to animals and humans," says Frederik Wurm. "For example, we do not yet know whether they produce nanoparticles that are much more easily absorbed by the body than micro-particles." There is also uncertainty over whether harmful substances find their way into animal or human organisms through the plastic particles or whether they are then detached from the plastic particles there.

Not enough ozone, too much carbon dioxide, and seas of plastic. What is to be done?

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