Rising sea level to threaten 10L in Chennai by 2050: Study 
As many as 10 lakh people in Chennai would be in danger if the sea level rises by one metre by 2050, according to a study by Tamil Nadu State Land Use Research Board. The study, which takes into account storm surges, tides and higher mean sea levels, claims future storm surges could reach between 4.35 m and 6.85 m.