"I will continue to fight for the funding needed to preserve this pristine, beautiful and vibrant ecosystem so that generations of Americans can continue to enjoy it."

Salmon farms are typically sited in pristine coastal ecosystems which they then pollute.

Sala's present goals are to help protect the last pristine marine ecosystems worldwide, and to develop new business models for marine conservation.

But those same actions can damage pristine ecosystems.

The other was a chronicle about the efforts taken to preserve the pristine and fragile ecosystem of the Bolivian rain forest while drilling for oil.

You can never reverse the sequence of events and recreate a pristine ecosystem.

Take a thrilling zipline safari through nine pristine ecosystems at the Forever Florida eco-ranch and wildlife conservation area.

Freshwater microbes are generally not very well known, even less so for a pristine ecosystem like the Amazon.

Much of this woodland is a relatively pristine ecosystem with considerable biodiversity.

This was as close to a pristine ecosystem as she had ever seen, and that couldn't be if the Orishans had developed any version of high technology.