There is no such thing as a polluting industry- or rather, any industry at all could be a polluting one. Pollution is a waste byproduct of what is being produce

There is no such thing as a polluting industry- or rather, any industry at all could be a polluting one. Pollution is a waste byproduct of what is being produced. The act of polluting is disposing of said byproducts in an unmanaged way (out smokestacks, into rivers, etc).