This is our July/August 2026 newsletter

Please read how Rule 9-6 improves air quality and public health by transitioning to cleaner water heaters over time, while protecting homeowners through exemptions, flexibility, and generous rebates.

One of our student interns discovered the importance of getting young people out into nature - just like John Muir did 125 years ago. Read on.

California legislators recently passed a law that requires every city and town that borders any part of the ocean or bay to prepare a plan addressing the threat of sea level rise and how each municipality intends to deal with it. Many cities have...

This is our May/June 2026 newsletter

Student intern Natalie Carr share her article on how Big Oil has manipulated public perception, research, and politics through both money and misinformation. Read on.

Vintage High Backpacking Club holds about thirty members – about one third go on each trip. The trips range from the sandy slopes of point Reyes to the expansive mountaintops of Yosemite. The club connects youth through their sense of adventure,...

Roland Dumas, a highly respected colleague and former member of the Napa Sierra Club Executive Committee (ExCom), passed away recently after a prolonged illness. His memorial service was held on May 9 at Skyline Wilderness Park — a place he deeply...

It’s been about seven years since I bought an electric bike (e-bike), and I still love the thing. It’s become my go-to way of getting around—to the point where my fossil-fuel vehicle mostly stays parked in the garage. I thought I’d lay out some of...

For those paying close attention, climate change can feel like a slow-motion emergency unfolding in plain sight. The science is clear, the stakes are high, and the window for meaningful action is narrowing (according to the Intergovernmental Panel...