If this is not done they can contribute to environmental harm such as global warming or acid rain.
Has no one told him about acid rain or the carcinogens in coal waste?
He laughed and added, "It's like acid rain - meaning, don't worry about things that are beyond your control."
"Been letting the old acid rain build up, haven't we, sir?"
"Acid Rain", the album's opening track, was in fact the last song to be written and recorded by the whole band.
In addition, the acid rains destroy the forests, rivers, and animals.
Closing his eyes, he saw the corpses again, and felt the panic wash down through him, a cold, internal acid rain.
With acid rain you can't see the smoke.
In some cases this acid rain results in pollution of lakes and rivers.
Your acid rains ate away at the virgin forests.