The changing environment poses several threats to Lake Whatcom.

The teenage environment also poses several risks to vulnerable individuals.

I am always aware that any unknown environment poses potential risks.

But it's not only domestic problems that the environment poses, as another article will detail.

But while his environment poses some specific obstacles to his maturation, Jody's basic predicament is hardly unique.

Part of the explanation lies in environmental differences: some environments are more fragile and pose more challenging problems than do others.

Production Down Sharply Even the environment is posing problems.

The environment where humanitarian action is taking place is evolving rapidly and continually poses new challenges.

With most people such an environment would not pose such a threat.

Any environment where sharps are encountered poses a risk.