Study: Sea-level rise is double-edged sword for carbon storage

Coastal ecosystems are a natural storehouse for carbon, with policymakers looking to bays, marshes, and seaside forests as nature-based solutions to help combat climate change. But the capacity of these ecosystems to take up carbon dioxide from the atmosphere depends on diverse and often conflicting factors, including sediment supply, coastal slope, tidal range, wave climate, and changes in sea level.