Bahr said Arizona is already experiencing hotter and ... another $1,500 per year in health-care costs, according to the Sierra Club. Bahr says investing in clean energy and climate action goes ...

During a news conference on Wednesday, the coalition of 35 organizations laid out its vision for Arizona’s 2025 legislative session. The group, coordinated by the Sierra Club, also released a ...

Save the Scenic Santa Ritas, the Center for Biological Diversity, the Arizona Mining Reform Coalition and the Sierra Club’s Grand Canyon Chapter filed a lawsuit in November 2017 challenging the Forest ...