Half of the world's beaches could disappear by the end of the century, study finds

Photos: Climate crisis threatens favorite beaches worldwide
Ocean City, Maryland. Ocean City's beach is an important economic driver for the local economy, but the city has had to spend millions of dollars in recent years to dredge up sand to keep up with the quickening pace of erosion.
Hide Caption
1 of 8

Photos: Climate crisis threatens favorite beaches worldwide
Barceloneta Beach, Barcelona. This man-made beach in the heart of Barcelona, Spain, draws millions of visitors each year, but strong storms and rising seas have reduced the size of the beach significantly.
Hide Caption
2 of 8