But the way we use energy – depending mostly on fossil fuel – can’t go on for long, say analysts worried about the rising impacts of climate change. Elena Krieger director of Oakland-based energy think tank PSE Healthy Energy has a plan for boosting renewable energy. 

She spoke recently at the Environmental Forum of Marin's lecture series, along with Dawn Weisz—CEO of Marin Clean Energy and Peter Joseph, of the Citizens Climate Lobby. Below, see one proposal for how California might reach 100% renewable energy. 

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