A host of ethical, economic and environmental questions are rising, too.

There are too many environmental and political questions about the pipeline.

"The bottom line is that if we can't solve the environmental questions, the plane will not be built."

He forged a career on the wrong side of some big environmental questions.

The two men usually find themselves at opposing sides of environmental questions.

In theory each of these courses has a bearing on environmental questions.

In one way or another, environmental questions are always the subject of public opinion nowadays.

These are two environmental questions requiring action, and the position on them expressed in the Committee' s report is clear.

Who will raise their hand and say 'We need to think about environmental questions'?

Political, economic and environmental questions should be addressed in that context.