The American people were told they would have clean air.

But the race hasn't even started, and we haven't seen how the car works in clean air.

They tell us if we want clean air we're going to have to take the top of the hill.

"A couple of weeks in the clean air will do you good."

The high, clean air allowed him to see a long way.

The American political system is another social cause of the problems related to energy and clean air.

I can't think of one issue that more Americans agree on than the need for clean air.

"I knew you would sense the clean air and make for it."

"Every community has a right to have clean air," she said.

It was always spring here, the air fresh and clean.

She thinks the pure air off the lake is good for her.

It was heavenly to come out into the pure air once more.

A fine open sea, he says, and very pure air.

I opened the door, and stepped forth into the pure air of the early day.

In fact, she had never tasted such pure, rich air.

She wanted to breathe deeply of the pure, clear air.

And above all, he had to keep his air pure.

You see the creatures that form what men call the pure air and the blue sky?

This of our eyes and the pure air bereft us.

In the pure air of each new season, the Giants' future is my potential.