Rewilding Europe's coasts: restoring seagrass, oyster reefs, and river connections for climate and wildlife

Europe's coastal ecosystems, from North Sea tidal flats to Mediterranean seagrass meadows, are getting a rewilding push. Rewilding Europe is scaling up efforts to restore saltmarshes, oyster reefs, and free-flowing rivers that connect land and sea. These habitats store carbon, buffer storm surges, and support fish and bird populations. Projects include removing dams in the Oder Delta and Swedish Lapland, breaching sea walls at Wallasea Island in England, and planting seagrass in Scotland and the Baltic. The group also backs Oyster Heaven, a startup aiming to restore 100 million oysters by 2030. The approach treats rivers, coasts, and nearshore waters as one connected system. For carbon markets and climate policy, the interesting part is blue carbon. Seagrass and saltmarsh are proven carbon sinks, but the article doesn't quantify storage rates or verification plans. That matters if these projects are to attract carbon finance.