A C.D.C. Committee Is Debating the Use of Thimerosal in Vaccines. Is It Safe?

A C.D.C. advisory committee will debate the use of thimerosal in flu shots this week.

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E.P.A. Axes Biden’s Climate and Pollution Limits on Power Plants

Lee Zeldin, the E.P.A. administrator, said erasing regulations would produce jobs and lower electricity costs. He called efforts to fight climate change “a cult.”

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Document Shows E.P.A. Plans to Loosen Limits on Mercury From Power Plants

The agency plans to weaken limits on toxic emissions from power plants while also scrapping restrictions on planet-warming greenhouse gases.

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E.P.A. Offers a Way to Avoid Clean-Air Rules: Send an Email

Invoking an obscure provision, it said power plants and others could write to ask for exemptions to mercury, arsenic and other restrictions and that “the president will make a decision.”

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E.P.A. Declares ‘Greatest Day of Deregulation Our Nation Has Seen’

Lee Zeldin, the E.P.A. administrator, reframed his agency’s mission, saying it is to make it cheaper to buy cars, heat homes and run businesses.

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