E.P.A. Again Seeks Limits on a Harmful Pesticide

E.P.A. Again Seeks Limits on a Harmful Pesticide

After a court overturned a ban, the agency has proposed restricting chlorpyrifos to 11 food crops, illustrating the limits of federal regulation.
Conservative Justices Appear to Side With San Francisco in Water Quality Dispute

Conservative Justices Appear to Side With San Francisco in Water Quality Dispute

The justices heard arguments on Wednesday in a long-simmering dispute between San Francisco and the E.P.A. over regulation of water pollution.