Read all about the April 2050 CO2-induced "doomsday" that most scientists allegedly believe in

'Limit climate change or wait for the doomsday' - The Times of India

A devastating cyclone will strike the state in April 2050, inundating coastal regions of East Midnapore and the Sunderbans. This will trigger flash migration to urban centres and send Kolkata reeling. Parks will turn into slums and every inch of free space will be occupied.

In the cruel summer that will follow, the mercury will breach the 42 degree celcius mark. Radiation from sun rays reflecting off the steel and glass buildings and exhaust from AC cars and homes will push the temperature higher by another 2 degree. With lakhs of people exposed to the heat, thousands will fall ill and hundreds will drop dead due to heat stroke. Egg production will also nosedive due to heat stress on livestock.

...In June, cloud bursts will inundate large sections of the city. In the following weeks, incidents of cholera, diarrhoea and enteric fever will spiral. Malaria cases will shoot up not just in Kolkata but in upper reaches of Darjeeling as well...These predictions of Kolkata in Circa 2050 may be dismissed by a section of scientists, but they are outnumbered by a huge margin by those in the fraternity who believe in such an eventuality if remedial measures are not taken today....

Joyashree Roy, coordinator of Global Change Programme at JU and a member of the Nobel Prize-winning Intergovernmental Panel on Climate Change, felt rise in migration will hurt Kolkata most if the city fails to prepare itself for the situation.