Unlikely Ally

What do national security and defense mean in the ecologically destabilizing age of climate change? In California, the US military has begun to redefine these concepts by taking on a largely unrecognized yet crucial role in renewable-energy innovation and in preserving cultural and natural treasures. Environmental stewardship is law on installations throughout the United States, but a few bases in Southern California have taken a more comprehensive approach--one in which energy security and...