On trips that are both listening tour and sales pitch, Gina McCarthy, the E.P.A. administrator, is trying to counter a fight against planned rules limiting emissions by power plants. See the original post: As Listener and Saleswoman, E.P.A. Chief Takes to the Road for Climate Rules Related ArticlesGroup Suggests New Rules for Further Cuts in Carbon PollutionLimits on Ivory Sales, Meant to Protect Elephants, Set Off Wide ConcernsDavid Sive, a Father of Environmental Law and Advocacy, Dies at 91

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As Listener and Saleswoman, E.P.A. Chief Takes to the Road for Climate Rules