The 4R principle is

The 4R principle is Reduce, Reuse, Recycle, and Refuse.

The use of plastics should be reduced in order to avoid further air and water pollution.

Reusing plastic should be prioritised over creating new plastics, which raises the risk of pollution.

Recycling old plastics and metals helps us to contain pollution of land, water and air.

We should refuse the use of plastics in our day-to-day life which will be helpful to contain pollurion