California, Arizona and Nevada are urging the Trump administration to change course on the Colorado River. The states are ...

Trump’s early actions, including ordering the US Army Corps of Engineers to open two California dams, have led to concerns ...

Donald Trump Jr. attacked the Children's Hospital Colorado in Aurora over its apparent move to continue requiring mandatory ...

Colorado's Attorney General has joined 20 other states in suing the president's administration to stop what they call the ...

"The View" co-hosts Sunny Hostin and Ana Navarro defended Rosie O'Donnell fleeing the country to escape President Trump's ...

Colorado Attorney General Phil Weiser, in a statement announcing his participation in the lawsuit, said the Education ...

U.S. District Judge Myong Joun sided with Colorado and seven other states that had requested a temporary restraining order.

Attorney General Phil Weiser is wasting no time fulfilling his pledge to block President Trump's policy agenda with numerous ...

State officials say they’ll fight for environment “with or without the federal government,” but critics are skeptical.

The administration is asking the Supreme Court for an emergency intervention limiting the power of lower court rulings.

The agreement between the EPA and Colorado illustrates how the state has benefited from strong federal oversight even when it ...