ECO2 %EA%B3%84%EC%82%B0 %EA%B2%B0%EA%B3%BC%EB%A5%BC %EB%B3%B4%EB%8B%88 %EC%9E%98%EB%AA%BB%EC%9E%85%EB%A0%A5%ED%95%9C%EA%B2%8C %EC%9E%88%EB%8A%94%EA%B2%83 %EA%B0%99%EC%9D%80%EB%8D%B0 %EC%A1%B0%EC%96%B8 %EB%B6%80%ED%83%81%EB%93%9C%EB%A6%BD%EB%8B%88%EB%8B%A4.