Question

Define the $4R$ principle in brief.

Answer 1

REDUCE:We should reduce the use of materials that are harmful to us.Like:We should use paper bags instead of polethene bags.

REUSE:We should reuse things like plastic bags can be used to make decorative things.

RECYCLE:We should give waste things (which cannot be decomposed) for recycling.like plastic materials.

RECOVER: If there is still waste left over after we have reduced, reused and recycled as much as we can, we can use it to make energy at our energy-from-waste (EfW) facility. This process is known as Recovery.