They’ll also need help from wetlands and coral reefs.
6: A general view of Dauan Island on March 26, 2021 in Dauan Island, Australia. As sea levels continue to rise, tides have become more destructive and coastal erosion is occurring at a faster rate. New seawalls are being built in different projects around the islands in an effort to hold back rising sea levels.
But in many places, too much seawater is the problem. More than a billion people living in low-lying coastal areas around the world will be exposed to climate-related risks like frequent flooding or even permanent inundation by the middle of the century — which could force many to move to higher ground.
That makes them an excellent example of what report authors call “maladaptation” — strategies that are supposed to help people cope with dramatic changes, but wind up having unintended negative consequences. Seawalls might do a good job at protecting a small area of a coastline, but harm neighboring coral reefs, which serve as
that can make flooding less severe and prevent erosion. But these kinds of nature-based solutions, across the globe, have received less funding than concrete infrastructure projects, the report notes.Without cutting down planet-heating pollution, some places are already expected to be beyond saving. “What this looks like is that people are going to not be able to adapt,” report co-author Adelle Thomas said in the press call. “For coastal communities, things like sea walls ...
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