U.S. Senate

A bipartisan bill has been introduced in the U.S. Senate that would update how states receive Clean Water Act funding. If passed, it could increase Arizona’s resources to provide drinking water.

Arizona Sen. Mark Kelly was sworn in during a ceremony in Washington D.C. Tuesday to serve a full six-year term after winning the November election.

The U.S. Senate’s $1.7 trillion omnibus spending package that passed Thursday includes more than $40 million for watershed restoration following last summer’s Pipeline Fire.

A bipartisan bill introduced in the U.S. Senate aims to hold the federal government accountable for the cleanup of abandoned mines on tribal lands and throughout the country. An estimated 140,000 such sites nationally threaten public health and the environment.

The U.S. Senate has advanced three bills that would improve some Arizona tribes' access to water amid an unrelenting drought.

The U.S. Senate has approved a bipartisan bill designed to shore up drought mitigation and flood control in Arizona including long-delayed projects in Flagstaff and Winslow.

A bipartisan group of western lawmakers is urging federal officials to prioritize drought relief and conservation efforts and support western farmers and ranchers.

Arizona Sen. Kyrsten Sinema is becoming an Independent and leaving the Democratic Party. It won’t change the balance of power in the Senate, but it could affect her own political fortunes.

Democratic Sen. Kyrsten Sinema of Arizona says she has switched her registration to independent.

Democrats celebrating a successful effort to keep control of the U.S. Senate this year will soon confront a 2024 campaign that could prove more challenging.