Global Plastic Pollution Nearing an Irreversible Tipping Point: Study

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said lead author Matthew MacLeod, Professor at Stockholm University in Sweden.

‘Ignoring the accumulation of plastic pollution can be dangerous and the right thing to do is to act as quickly as we can to reduce emissions of plastic to the environment.’


The team argued that solutions currently on offer, such as recycling and cleanup technologies, are not sufficient, and that we must tackle the problem at its root.

“The world promotes technological solutions for recycling and to remove plastic from the environment. As consumers, we believe that when we properly separate our plastic trash, all of it will magically be recycled. Technologically, recycling of plastic has many limitations, and countries that have good infrastructures have been exporting their plastic waste to countries with worse facilities,” said Mine Tekman, doctoral researcher at the Alfred Wegener Institute in Germany.

“Reducing emissions requires drastic actions, like capping the production of virgin plastic to increase the value of recycled plastic, and banning export of plastic waste unless it is to a country with better recycling,” Tekman added.

The researchers said that plastic is a “poorly reversible pollutant”, both because of its continuous emissions and environmental persistence. It accumulates in the environment when amounts emitted exceed those that are removed by cleanup initiatives and natural environmental processes, which occurs by a multi-step process known as weathering.

Plastic pollution could also act in conjunction with other environmental stressors in remote areas to trigger wide-ranging or even global effects.

“Right now, we are loading up the environment with increasing amounts of poorly reversible plastic pollution. So far, we don’t see widespread evidence of bad consequences, but if weathering plastic triggers a really bad effect we are not likely to be able to reverse it,” cautions MacLeod.

“The cost of ignoring the accumulation of persistent plastic pollution in the environment could be enormous. The rational thing to do is to act as quickly as we can to reduce emissions of plastic to the environment,” he noted

Source: IANS



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