Pollution : long-range transboundary, air pollution on heavy metals : protocol between the United States of America and other governments, done at Aarhus, June 24, 1998, with annexes.

This protocol outlines an agreement between the United States and other governments to reduce heavy metal emissions. These metals are subject to "long-range atmospheric transport," which could have "significant adverse effects on human health or the environment." It outlines a number of strategies shown to be effective for reducing heavy metal emissions and contains goals for emission reduction.