Reduce, reuse, and recycle are the three major “R’s” in solid waste management.
Reduce: Waste production should be cut down at the source.
Reuse: With the right techniques and processing, industrial waste may be repurposed.
Recycle: Recycling is the process of using old resources to create new items.
Final answer:
Hence, the scientific and eco-friendly methods of waste management are Reduce, Reuse and Recycle.