What do you mean by green chemistry? How will it help decrease environmental pollution?

(N/A) Green chemistry is a strategy that utilizes the principles of chemistry and other sciences to reduce or eliminate the use and generation of hazardous substances in the design,manufacture,and application of chemical products.
It helps decrease environmental pollution in the following ways:
$1$. It focuses on designing chemical processes that maximize the incorporation of all materials used in the process into the final product,aiming for $100\%$ atom economy.
$2$. It encourages the use of safer solvents,such as water instead of toxic organic solvents like benzene or carbon tetrachloride,which reduces the release of hazardous waste.
$3$. It optimizes reaction conditions (temperature,pressure,and catalysts) to ensure that reactants are fully converted into useful,environmentally friendly products,thereby minimizing the generation of byproducts.
$4$. By reducing waste generation at the source,it makes industrial processes more cost-effective and environmentally sustainable.