How could such good folks have done so much environmental harm?

It found there was no evidence of environmental harm.

An introduced species that causes economic or environmental harm to humans.

The only way to avoid environmental harm from waste is to prevent its generation.

I have worked all my life to protect people from environmental harm.

Some international law is designed to limit this environmental harm.

Most of the incidents "caused little or no environmental harm".

Thus by reducing environmental harm, such instruments have a progressive effect.

He said the Pennsylvania law was a reasonable measure to prevent environmental harm.

They also run Court actions where there are serious questions of potential environmental harm.