As much as 33% of the toxic mercury in the skies over Los Angeles comes from coal-fired plants and other sources in China.

Question

Quizplus · Accepted Answer

Several studies have shown that a significant portion of the mercury pollution in California and other parts of the western United States comes from sources in Asia, particularly China, where coal-fired power plants and other industrial facilities emit large amounts of the toxic metal. In some cases, as much as 33% of the mercury measured in California's air can be traced back to Asian sources.

As Much as 33% of the Toxic Mercury in the Skies