It is important to keep to the pathway to preserve this fragile environment.

The oil clean-up itself caused damage to the fragile environment.

The very southern tip of the island is a national park, protected from the development, which threatened its wild but fragile environment.

Leaders on both sides are operating in a fragile environment that they know can be disrupted by any serious act of terrorism.

Reckless economic development and rapid population growth threaten the world's fragile environment.

We just don't know the effect that oil exploration would have on that fragile environment.

He seems not to realize that the north is a fragile environment.

Six national parks protect the largely untouched, yet fragile environment.

This is a key issue, as Brazil has a rich but fragile environment.

Don't tell me the environment's so fragile we'll destroy it.