Resumen de Mapping Mercury.
Focuses on U.S. President George W. Bush's Clean Air Mercury Rule, which aims to ease health concerns about mercury from coal-fired power plants. Formulation by the Bush administration that power plants emit only forty-eight tons on the metal every year; View of the Bush administration that mandating further emissions cuts would not solve the problem of human exposure to the neurotoxin; Reports that eleven states and four public health groups are challenging that view; Comments on the issue from Jeffrey Holmstead, head of air regulations for the Environmental Protection Agency. INSET: MERCURY'S TIME TO FALL.
