However , as wind energy became more prominent and visible in central California , several outspoken environmentalists made claims that windmills were damaging the local ecology .
Wind energy was initially considered to be a boon to environmentalists , as a source of clean , renewable energy .
As wind energy became more prominent and visible in central California , several outspoken environmentalists made claims that windmills were damaging the local ecology .
Wind energy was initially considered to be a boon to environmentalists , as a source of clean , renewable energy .