Mayors of Arizona's largest cities push to stay in Paris Climate Agreement
Two Arizona mayors are pressing the state's congressional delegation to take action on climate change.
Biosphere 2 drought study continues
The water was shut off to the rainforest biome for a multiweek measurement of dry conditions.
Study: Arizona military base will be hardest hit by climate change
Bases in the state could see an increasing number of dangerously hot days, the study says.
New analysis spells out serious legal risk to Colorado River water users
As climate change continues to sap the river’s water, some users face serious legal risks to their supplies.
Global scientist coalition delivers climate warning
An article predicts "untold human suffering" unless deep and lasting shifts are made.
In Their Own Words: Young climate change activists
Kyle Kline, 19, and Daniel Casanova, 18, led Tucson's climate strike in September.
Tucson youth will hold a climate rally on Friday
Students are holding a rally in downtown Tucson to push for action on climate change, joining similar global events this week.
UA Special Collections: Preserving the Stories
Also on Arizona Spotlight: The TUSD's ongoing debate about expanding sex education; Is there any hope left for the 2019 monsoon?; and has Arizona's "stupid motorist law" increased flash flood safety?
Climate change still threatens Colorado River after wet winter
Despite recent wet conditions, states still face a future with increasingly less water for farms and cities.
Ocean & Space
Learn about UA scientists in the Southern Ocean measuring climate change; and celebrating the past and future of space exploration at Spacefest X.
As Southwest water managers grapple with climate change, can a 'Grand Bargain' work?
The approach aims to rebalance some of the bad math that came from promising water to too many people.
More deadly temperatures in Arizona's future
Climate change will bring more extreme heat in the coming decades.
Summer's effect on air quality in Southern Arizona
A discussion with UA hydrologist Eric Betterton.
How rising temperatures impact public health
And what local municipalities can do to reduce hazards.
Smoke from US wildfires boosting health risk for millions
Another summer of fires in the West is expected to impact millions and increase premature deaths.
