Newly inaugurated President Donald Trump plans executive action that could deepen climate change's impact on Arizona.

The agreement was meant to ensure global cooperation in reducing the amount of carbon dioxide released into the atmosphere.

The goal of the a national energy emergency is to reduce energy costs, an incoming White House official told reporters.

Having been sworn in and after events at the Capitol, President Donald Trump’s inauguration moved to Capital One Arena, where ...

One of the executive orders, which will target birthright citizenship, is sure to spark a legal battle over the 14th Amendment.