https://www.scientificamerican.com/article/green-infrastructure-can-be-cheaper-more-effective-than-dams/

Hundreds of studies on nature-based solutions to extreme events show that “green infrastructure” is often cheaper and more effective than engineered projects like dams, levees and sea walls, according to a new analysis.

Experts say federal and state governments should heed those findings and increase funding for natural landscapes and systems to reduce climate disaster risk. Solutions include floodplain restoration and “living shorelines” along vulnerable coasts and rivers.