We're going to change that. Cleaner Air Environmentalists cheered President Bush's decision to support ex-President Clinton's policy to limit the amount of mercury in the air. Exposure to mercury has been linked to brain and developmental damage in humans. The Clinton administration reduced the amount of arsenic in drinking water by one-fifth. President Bush reversed the decision, arguing that it was too expensive, and that the effects of arsenic in water were unclear.
Some studies link arsenic in drinking water to bladder, lung, and kidney cancer.
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