The world has lost an incredible thinker and doer. I have lost an amazing friend. A void exists where before it was filled with David's optimism, humour and joy.
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California Leads New Community Energy Model Speeding U.S. Move To Renewables
Sewage and solar power may be odd bedfellows in the race to save the climate. But in Sonoma County, Calif., an experiment is underway to install the nation’s largest floating solar array on wastewater treatment ponds.
