Cap Radio: A crucial part of California's ecosystem has almost disappeared. Mountain meadows act like natural reservoirs, storing and cleaning water. But they may have another benefit -- capturing greenhouse gases. Scientists are studying if restoring meadows can play a small part in combating climate change. When you imagine a meadow, you think about soggy ground with tall green grasses and maybe a shallow stream running through it. It's unlikely you'd imagine the place we're walking through now. "Although...