Located in the heart of the Inland Empire, our group of Sierra Club resides and serves the communities of Riverside and Moreno Valley, California. Formerly known as the Moreno Valley Group, our name now is in reference to Box Springs Mountain, the highest peak between our two cities. Our group is one of many working within the San Gorgonio Chapter of Sierra Club. Use this link to get involved!
New members are always welcome!
The Defender News Blog
Locals Learn Mobilizing Strategizes In Response to Industrialization Concerns In Riverside County
May 17, 2026
Over 60 people and representatives from across the Inland Empire and various organizations met in Mead Valley to learn about mobilization efforts from local community leaders. Leaders from Hemet, Riverside and Perris came together to educate and...
Moreno Valley City Council Considers The 2040 General Plan Update & Climate Action Plan This Week
April 18, 2026
After litigation, a court-ruling for revisions, and continuances due to negotiations with the California Attorney General, Moreno Valley's City Council will review and possibly approve their General Plan Update & Climate Action Plan at their...
The Springs Fire: Why Environmental Protections Are Needed Now
April 5, 2026
The recent wildfire scorched 4,176 acres around Lake Perris & the San Jacinto Wildlife Area. This ecological catastrophe comes after decades of continued efforts to develop the area. Restore what remains and enact protections now! ...
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