The emergency appeal comes in the battle over birthright citizenship — but it could have ripple effects in cases challenging many aspects of Trump's agenda.

The Trump administration asked the Supreme Court to stop appeals court rulings that blocked Trump’s order to end birthright citizenship, which would deny U.S. citizenship to children born in the U.S. if their parents are undocumented or on temporary visas.

The U.S. Supreme Court dealt a blow to the Environmental Protection Agency in a ruling on Tuesday involving a wastewater treatment facility owned by the city of San Francisco that could make it harder for regulators to police water pollution.