He is a strong advocate of protecting his state's underground water sources to prevent depletion.

The report also says that Long Island will probably need to be connected to the city's system soon to prevent depletion of its ground-water acquifers.

In addition, the report cautioned that Long Island will probably need to be connected to the city's system soon to prevent serious depletion of its groundwater.

That would help prevent further depletion.

And before that, Congress may pass a bill requiring the Administration to submit recommendations to prevent depletion of the Medicare trust fund.

"We are trying to prevent depletion of the remaining funds," Mr. Shannon said.

If the charge drops below a particular point, the switch shuts off electricity supplied to the car and prevents further depletion.

Most formulas are now fortified with copper to prevent depletion.

For renewable resources, demand, and therefore production, must also be brought down to levels that prevent depletion and are environmentally healthy.

These actions will prevent unnecessary depletion of natural resources and will reduce air, water, and soil pollution.