The Republic's climate reporter started her journey on the Arizona Trail with detours that were forced by wildfires and left for volunteers to fix.

The Arizona Republic's climate reporter, Joan Meiners, is biking the length of the Arizona Trail to document changes to landscapes and communities.

Winter transforms America’s national parks into breathtaking wonderlands, far from the crowded summer scenes you might expect ...

Once that critical mineral is dug up, it will leave the Copper State entirely. Despite the six-decade project still not being ...

Camping in America's national parks provides unique experiences not to be missed. We've found some of the best campsites, ...