But oysters can only help to a certain extent. Dankers cautions that there is a looming, unaddressed concern posing an imminent threat to low-lying coastal countries like Bangladesh: rapidly sinking soil. In Bangladesh it is sinking at rates of 5-20cm (2-8 inches) a year, Dankers estimates, making the fight against sea level rise harder, and is expected to worsen as development (and populations) increase.
