KJZZ examines the storied history of the state’s five C’s — copper, cotton, cattle, citrus and climate — and the role they still play in modern-day Arizona.

If you feel like allergy season never seems to end, you’re not imagining it. Across the U.S., and right here in Arizona, climate change is making pollen problems worse — and stretching them out longer ...

Warmer nights can delay the changing colors of leaves or turn down their vibrance, scientists say. Heat and drought are bad combinations for trees, putting stress that could mute autumn colors. One ...

After recording cooler-than-normal temperatures in the Pacific Ocean, scientists declared the impending arrival of La Niña for the winter. The weather pattern looks to be a weak one, which means ...