摘要: Some writers have suggested that it would be desirable to assess the state of Earth'senvironments by making use a concept ecosystem health. We subject this suggestion toscrutiny first calling attention obscurities inthe notion an and then callingattention in objections someviews about Finally, we note, thateven if health can adequately clarified, there are reasons for saying whetherwe morally obligated protect ofsome depends on other circumstances. In many possible circumstances not beobligated particularecosystem.