Disappearing delta regions of the world

Sinking fast Two-thirds of the world's major river deltas are subsiding. Below are the ones in greatest peril ONewScientist Colorado, Mexico São Nile, Egypt Krishna, India 10 Rhone, Pearl, China France Tone, Francisco, Japan 20 Brazil 30 Yangtze, China 40 50 60 Po, Italy Range of subsidence over time and in different places within a delta. The Po delta, for instance, was subsiding 60mm/year in the 1960s and less in other decades 150 Chao Phraya, Thailand SOURCE SYVITSKI, 2009 Land subsidence per year (mm)