acid rain
acid precipitation

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.

He promised to do more to fight pollution, especially acid rain.

Pennsylvania receives the most acid rain of any state in the United States.

Over the past fifteen years concern has been growing over the environmental effects and social costs of 'acid rain'.

"She said that it could be acid rain."

The decline has been attributed to industrial forestry and air pollution, particularly acid rain.

When someone says 'acid rain,' they know more about it.

Nuclear power plants produce neither acid rain nor greenhouse gases.

How many, two years ago, would have supposed that 'acid rain' would become a topic of importance?

This gets rid of pollution, especially acid rain, but it also makes the fuel less slippery.

Increasingly acid rain is a problem in Europe too.