Many Sacramento neighborhoods officially shaded red and "hazardous" on an official map after the Great Depression remain home to people who are more likely to frequent an emergency room for asthma. And they are less likely to have a hardy tree canopy overhead, exposing them to harsher conditions that can impact their health.

In the face of a warming planet and breakneck urbanization, U.S. policymakers are asking how best urban trees can be protected and utilized.

The energy commission will decide whether to allow builders to plug new housing into new solar farms operated by SMUD. It’s a practical option, and the commission should allow it.

A new state law requires all new homes to have rooftop solar, and while solar is a great option as a clean energy source, solar panels can conflict with urban trees. Here's how you can help.