Question

What is 4R principle? Give your opinion, how it will help in saving our environment ?

Answer 1

Thank you for asking the question!
The 4 R principle is reuse, recycle, reduce and reproduce. It is used to recover the products. This principle is being used nowadays and its a step towards the conservation of environment. This principle recycle the waste material. By using it the consumption will be less and production increases. Plastic is the best example of 4 R principle. 
Hope it helps.

Answer 2

Explanation: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.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 (EfW) plant. This is known as recovery