Question

Why is there na concern about the increasing use of plastics?

Answer 1

There is concern and it is banned in most of the highly developed countries but in mid to low developing countries there is not a cheaper alternative so they have to use plastics ( for eg. paper is much costlier than plastics)

Answer 2

Their increased use is a concern today due to their harmful effects on environment. Polythene bags are non-biodegradable and cause environmental pollution. ... Although plastiocs are very useful, today it is a concern for its increasing use because plastic is non-biodegradable and releases harful chemicals when burnt.
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