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  Cloudy. A stray shower or thunderstorm is possible. High 71F. Winds W at 10 to 15 mph..
  
  Tonight
  
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  Updated: March 21, 2019 @ 7:43 am
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Environment

Environment

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Latest Environmental News

Feds want to pull Santa Cruz River effluent to pay O’odham debt

Feds want to pull Santa Cruz River effluent to pay O’odham debt

Another jaguar discovery in Southern Arizona adds to border-wall debate

Another jaguar discovery in Southern Arizona adds to border-wall debate

Tohono O'odham leaders confident Trump's wall won't rise on their border

Tohono O'odham leaders confident Trump's wall won't rise on their border

Record Pinal County fissure shows Arizona is still prone to shifting earth levels

Record Pinal County fissure shows Arizona is still prone to shifting earth levels

Southern Arizona bat could be pulled from endangered list

Southern Arizona bat could be pulled from endangered list

EPA grants for Pima County air monitoring will continue despite Trump freeze

EPA grants for Pima County air monitoring will continue despite Trump freeze

Monsanto's Pima County plan: Questions and answers

Monsanto's Pima County plan: Questions and answers

Monsanto questioned on tax breaks, herbicides, GMOs at Tucson public meetings

Monsanto questioned on tax breaks, herbicides, GMOs at Tucson public meetings

Hudbay may challenge Army Corps' authority over mine site

Hudbay may challenge Army Corps' authority over mine site

Rosemont Mine would cause water quality violations, Corps district says

Rosemont Mine would cause water quality violations, Corps district says

Hydroelectric engineers find potential in centuries-old mine

Hydroelectric engineers find potential in centuries-old mine

Long-term plan for Colorado River water won't be sealed before Trump takes office

Long-term plan for Colorado River water won't be sealed before Trump takes office

Endangered topminnow rebounds south of Tucson

Endangered topminnow rebounds south of Tucson

New jaguar roams Southern Arizona, photo indicates

New jaguar roams Southern Arizona, photo indicates

Assess Vigneto comprehensively, wildlife service tells Army Corps

Assess Vigneto comprehensively, wildlife service tells Army Corps

New Hampshire looks for answers behind oyster outbreaks

New Hampshire looks for answers behind oyster outbreaks

Upstate NY towns embroiled in fight over tall wind turbines

Upstate NY towns embroiled in fight over tall wind turbines

Critics decry tax breaks as Monsanto plans Marana greenhouse

Critics decry tax breaks as Monsanto plans Marana greenhouse

Special Science Section 2019: Science now

Special Science Section 2019: Science now

Feb 7, 2019

Hudbay may challenge Army Corps' authority over mine site

Govt-and-politics

Hudbay may challenge Army Corps' authority over mine site

Jan 16, 2017

Rosemont Mine would cause water quality violations, Corps district says

Local news

Rosemont Mine would cause water quality violations, Corps district says

Jan 14, 2017

Hydroelectric engineers find potential in centuries-old mine

Ap

Hydroelectric engineers find potential in centuries-old mine

Dec 18, 2016

Long-term plan for Colorado River water won't be sealed before Trump takes office

Environment

Long-term plan for Colorado River water won't be sealed before Trump takes office

Dec 17, 2016

Endangered topminnow rebounds south of Tucson

Local news

Endangered topminnow rebounds south of Tucson

Dec 11, 2016

New jaguar roams Southern Arizona, photo indicates

Local news

New jaguar roams Southern Arizona, photo indicates

Dec 7, 2016

Assess Vigneto comprehensively, wildlife service tells Army Corps

Local news

Assess Vigneto comprehensively, wildlife service tells Army Corps

Dec 7, 2016

New Hampshire looks for answers behind oyster outbreaks

Ap

New Hampshire looks for answers behind oyster outbreaks

Dec 4, 2016

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Upstate NY towns embroiled in fight over tall wind turbines

Ap

Upstate NY towns embroiled in fight over tall wind turbines

Nov 27, 2016

Critics decry tax breaks as Monsanto plans Marana greenhouse

Local news

Critics decry tax breaks as Monsanto plans Marana greenhouse

Nov 19, 2016

Stop fighting and fretting over water, author of new book says

Environment

Stop fighting and fretting over water, author of new book says

Nov 12, 2016

Santa Cruz river could flow again through downtown Tucson

Environment

Santa Cruz river could flow again through downtown Tucson

Nov 11, 2016

Critical Zone Observatory gets grant to extend research

Environment

Critical Zone Observatory gets grant to extend research

Nov 10, 2016

Tucson to leave nearly 20% of its CAP water in Lake Mead

Govt-and-politics

Tucson to leave nearly 20% of its CAP water in Lake Mead

Nov 10, 2016

Drink up: Arizona wastewater-into-beer proposal wins $250K grant

Environment

Drink up: Arizona wastewater-into-beer proposal wins $250K grant

Nov 4, 2016

Money pours in for anti-pipeline protest, but will it last?

Ap

Money pours in for anti-pipeline protest, but will it last?

Oct 30, 2016

Central Arizona Project asks to refinance its debt

Local news

Central Arizona Project asks to refinance its debt

Oct 25, 2016

'Farming nature' helps restore Colorado Delta cottonwoods, willows

Environment

'Farming nature' helps restore Colorado Delta cottonwoods, willows

Oct 22, 2016

World Wetlands Day Video

Video

World Wetlands Day Video

Oct 21, 2016

Environmental groups seek to block predator trapping that could harm ocelots

Govt-and-politics

Environmental groups seek to block predator trapping that could harm ocelots

Oct 4, 2016

Businesses, residents paid to save water in this Arizona valley

Tucson Business News

Businesses, residents paid to save water in this Arizona valley

Sep 16, 2016

Trees, shrubs, soil cleared from major stretch of Tucson's Rillito River

Environment

Trees, shrubs, soil cleared from major stretch of Tucson's Rillito River

Sep 10, 2016

Arizona tribes show outpouring of support in pipeline battle

News

Arizona tribes show outpouring of support in pipeline battle

Sep 9, 2016

Local news

Tribes in Tucson and Arizona join oil pipeline protests

Sep 8, 2016

California's native salmon struggling in 5th year of drought

Ap

California's native salmon struggling in 5th year of drought

Sep 4, 2016

Lake Powell could dry up in as little as six years, study says

Local news

Lake Powell could dry up in as little as six years, study says

Sep 3, 2016

Monsanto to grow greenhouse crops in Tucson area

Local news

Monsanto to grow greenhouse crops in Tucson area

Aug 20, 2016

Local news

Conservation, favorable weather mean no CAP shortage in Arizona for now

Aug 17, 2016