1.   All the wasted energy, all the strain on our fragile ecosystem, all the needless consumption of time and effort.

2.   But the hope is that the new governmental body would be able to forestall such disasters and protect the fragile Arctic ecosystem.

3.   Environmentalists have argued that drawing down the water would harm a fragile ecosystem, but little by little Cadiz has pushed forward.

4.   Environmentalists say these incursions are threatening fragile ecosystems and ruining evidence of ancient civilizations.

5.   Environmentalists, however, are concerned that the heavy influx of tourists could damage the fragile ecosystem.

6.   He noted that the fragile ecosystem is also home to eight other species of insects found nowhere else and possibly to a plant on the verge of extinction.

7.   In the fragile ecosystem of college football, administrators feed their football programs to predators as a way of keeping healthy.

8.   Industrial and agricultural pollution, commercial development and the destruction of wetlands and estuaries have taken their toll on fragile marine ecosystems.

9.   Many smokers put them into a fragile ecosystem, says Kathleen Register, the executive director of Clean Virginia Waterways.

10.   More important, they are unraveling the mysteries of a fragile ecosystem that may be destroyed before it is fully understood.