why are plastics considered to be a threat to our environment what is 4r principle
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Answer:
The non- biodegradable compounds such as plastics, do not degrade upon being thrown into the landfills as well, the plastics can stay non degrading up to 500 years. ... Hence, reducing the usage of such compounds is necessary for earth to continue to sustain life.
The 4R means Reduce, Reuse, Recycle and Restore.
(i) Reduce: We should reduce the use of non-biodegradable compounds that are harmful to us.
Example: Instead of using polythene bags we should give preference to paper bags.
(ii) Reuse: We should reuse the materials instead of dumping them.
Example: Plastic bags can be reused to make decorative things.
(iii) Recycle: Non-biodegradable materials should be subjected to the recycling process.
Example: Plastic materials.
(iv) Recovery: If the waste remains after it is been reused and recycled, we can use it to generate energy at our waste-energy plant. This is known as Recovery.