Hundreds of millions of people live on river deltas around the world, making them central to rich diversity in culture and thriving economies. As deltas face environmental degradation and ongoing climate change, governments have sought ever more drastic measures to prevent flooding and protect society and its infrastructure. But, these policies can harm the natural environment and lead to loss of precious land. Striking a balance between limiting deltaic land loss and maximizing cultural and economic benefit to society is a top priority in sustainability policy.
