Doubtful Sound, Fiordland, New Zealand (IMAGE) University of Otago Caption While fjords are celebrated for their beauty, these ecosystems are also major carbon sinks that likely play an important role in the regulation of the planet's climate, new research reveals. Credit Candida Savage Usage Restrictions Not to be reused without attribution License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.