But a ban on plastic bags is easy, it is quick and immediate. Whereas the other problems you mention may take decades, if ever, to solve. At least they're doing

But a ban on plastic bags is easy, it is quick and immediate. Whereas the other problems you mention may take decades, if ever, to solve. At least they're doing something. And it's not like the people enforcing the ban would be the same people who would otherwise install air and water filtration systems. If there's anything India does have in abundance, it's manpower.