How do we solve this problem? One, make sure the existing program that sets a cap on the total amount of nationwide pollution and allows individual companies to buy and sell the rights to that pollution, runs smoothly and effectively. Two, create a new pollution-trading program for nitrogen oxides, a federal allowance-trading program similar to the sulfur-dioxide program. Three, keep monitoring the results-biological surveys and chemical tests should be performed on a regular basis. Four, give the EPA the authority to keep making cuts to protect human health and sensitive ecosystems without further Congressional action.

Scientists say that reduction of both sulfur-dioxide and nitrogen-oxides by 70 to 75 percent below 1990 levels will maintain the life forms in lakes, rivers and coastal estuaries.

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