Question

Define green chemistry how dies it reduce the pollution

Answer 1

It refers for pollution remedies.
It provides techniques to reduce pollution.

Answer 2

$\huge\underline\mathfrak\purple{Answer}$

Green chemistry is the design of chemical products and processes that reduce or eliminate the use or generation of hazardous substances. Green chemistry applies across the life cycle of a chemical product, including its design, manufacture, use, and ultimate disposal.

$\huge\underline\mathfrak\purple{tq}$