The Trump administration has put a freeze on many federal health agency communications with the public through at least the ...

Trump Asserts a Muscular Vision of Presidential Power on First Day Back In a flurry of executive actions, President Trump revived disputed claims of broad presidential authority from his first ...

In the United States, aircraft are one of the fastest-growing sources of emissions: Emissions from domestic aviation alone have increased 17% since 1990, to account for 9% of greenhouse gas emissions ...