The State of the Art in Photovoltaic Technology

Martin Voelker CRES Jefferson County Chapter “Thin film,” “organic,” “amorphous,” “nano” – we’ve all seen announcements about new efficiency records for such new types of solar cells and gotten our hopes up. Once commercially viable, wouldn’t they revolutionize, nay: solarize! our energy landscape? Not so fast: The man who stands between those claims and reality is Keith Emery, and testing …

Beyond Net Zero: The Ethics, Theory & Practice of Personal Sustainability

Martin Voelker CRES Jefferson County Chapter For the geeks and tinkerers among us, bringing a typical house built in the 1970s into the 21st century by converting it from your typical energy hog to carbon negative would be a thrill that would be its own reward. But for long time CRES member Steve Stevens, a retired but restless Bell Labs …

Driving the Clean Energy Revolution from the Ground Up

Kirsten Frysinger CRES Boulder County Chapter Regardless of how humans convolute it, energy boils down to a single common denominator – the electron. Society has increasingly coveted the control over these little electrons and those who harness and distribute power have quickly installed a mindset and infrastructure around fossil fuel energy generation. In March, our very own CRES BoCo steering …

Can Biomass Save the Day?

Martin Voelker CRES Jefferson County Chapter Ask anyone about “Renewable Energy” and solar and wind will be first on their minds, prompted by images of sleek propeller blades and the blue glint of photovoltaic cells. But if you ask the National Renewable Energy Lab’s (NREL) Dr. Helena Chum, she’ll answer: “Biomass, of course!” As she reminded her CRES audience in Golden, solar, …