New Delhi, July 7 -- Every additional degree Celsius of global surface temperature rise on average will lead to a decline of 120 calories per person per day, or 4.4 per cent of current daily consumption, a recent study has found. In fact, wheat-growing regions of northern India exhibited some of the most severe projected losses across the globe.

It was more concerning as this disruption in the global food systems due to global warming will be despite climate adaptations made by farmers to their agricultural practices. These adjustments will offset about just one-third of climate-related losses by the end of century if emissions continued to rise, the study estimated.

In terms of food production capacity from six staple crops - rice, w...