Climate-driven extreme weather conditions, such as droughts and intense precipitation, may be accelerating the pace at which ...

Pima County reported incorrect numbers of uncounted ballots on Friday, due to what county officials say was a clerical error. The error didn’t become public until ...

Pima County is using a nearly $500K federal grant to help turn contaminated land into community space. The Environmental Protection Agency grant will be used for cleanup at the former Roger Road ...

TUCSON, Ariz. (13 News) - For years after the Santa Cruz River stopped flowing in the 1940s, it languished as a dry river bed ...

The Pima County Board of Supervisors approved a Memo of Understanding (MOU) between Pima County, the Pima County Regional ...

CAMARILLO, Calif. -- The devastating wildfire in Ventura County is now 26% contained as favorable conditions are expected to continue through the weekend after two days of dangerous gusty winds.

Groundwater plays an important role in sustaining aquatic and terrestrial ecosystems, such as springs, wetlands, rivers and vegetation. Understanding these groundwater-dependent ecosystems (GDEs) is ...

The Australian Groundwater Explorer provides access to a wide range of groundwater data, including around 900 000 bore locations, bore logs, groundwater levels, salinity, hydrochemistry, 3D ...

TUCSON, Ariz. (13 News) - Despite various races being called or projected, Pima County continues to count votes. Pima County officials are reporting long hours of counting votes, and likely many more ...

Cloudy with a high of 52 °F (11.1 °C) and a 64% chance of precipitation. Winds S at 7 to 9 mph (11.3 to 14.5 kph). Night - Scattered showers with a 75% chance of precipitation. Winds SSE at 11 ...

Partly cloudy with a high of 60 °F (15.6 °C). Winds from SSE to SE at 4 to 6 mph (6.4 to 9.7 kph). Night - Partly cloudy. Winds variable. The overnight low will be 45 °F (7.2 °C). Showers ...