While the ocean in Bangkok is rising 1/10 on an inch a year, about the global average, the city itself is built on clay and is sinking up to 4 inches a year. This is seriously problematic considering the city is only 3 1/2 to 5 feet above sea level.
“You notice that every highway, road and building which has no foundation pilings is sinking,” says Smith. “We feel that with the ground sinking and the sea water rising, Bangkok will be under sea water in the next 15 to 20 years – permanently.”
What happens when the capital of a country and world class city functionally ceases to exist?