An analysis of satellite imagery taken since 2000 found that hundreds of the most populous coastal cities have added land and are now vulnerable to rising sea levels.
environment
February 21, 2023
Coastal cities have added a significant amount of land over the last two decades Shutterstock/A. Basler
More than 2,500 square kilometers of reclaimed land have been added to coastal cities in the 21st century, increasing the area threatened by rising sea levels.
From the Netherlands to the San Francisco Bay Area, people have been building new lands for centuries. But that pace is accelerating in the new millennium.
Hundreds of coastal cities have since 2000 added land from seawalls in Shanghai, China, and built by capturing river sediment …