Venice’s barrier against rising seas could jeopardize city’s ecosystem
Excerpt: To combat a growing flood risk, Venice, Italy, has spent billions of euros to build three barriers that can temporarily close off the lagoon surrounding the city from the Mediterranean Sea. Now, scientists are reporting that by blocking the stormwater that causes floods, the barriers also prevent salt marshes in the lagoon from receiving vital sediment, which ultimately may hinder their ability to stay above the rising sea level.…