3 big wildfire questions, answered

The great blazes burning the West are like colossal campfires.

Future Tucson will likely deal with more days of extreme heat

The record-setting heat that Tucson and much of Arizona experienced this summer is a red flag — a warning of things to come, experts say.

The risks of severe heat


The hottest summer in the city’s history came during a global health crisis, leaving many residents at risk for heat-related issues.

Extreme heat is here, and it’s deadly

Gearing up for the fight against a new climate enemy.

Fire season could last into fall, experts say

The fire season in Tucson could stretch all the way into October and beyond this year because of a lack of monsoon moisture, raid and humidity.

Water Ranching in Mexico

Bobby Bascomb visits acclaimed land preservationist Valer Clark at her ranch, Cahone Bonito, in Agua Prieta, Mexico.