Even if greenhouse gas emissions are decreased, several disasters caused by climate change are likely to happen in the next two decades.
This is according to a report compiled by the Intergovernmental Panel on Climate Change (IPCC).
India will be severely impacted if emissions are not reduced, according to the second installment of the IPCC report.
The report claims that sea-level rise will endanger Mumbai, while storms will threaten Kolkata.
Rice production in India can decrease by 10 to 30 percent, while maize production could decrease by 25 to 70 percent, assuming a temperature increase of 1 to 4 degrees Celsius.
The river basins of Indus, Amu Darya, Sabarmati, Ganges could face severe water scarcity issues due to climate change.