Here's how a hotter world making us less productive every year

When the average daily high temperature over the year rises by 1 deg C, output falls by about 3%, according to the study

For every 1 deg C increase in temperature above 27 deg C on a hot day in India, productivity of workers declines by as much as 4%, according to a new study. Annual average temperature in India has increased 2 deg C over 200 years to 2006, and is predicted to rise further by 1.5-2.0 deg C by 2030.

Simply put, this means if a worker is packing 100 boxes of shoes in day at 27 deg C, he/she will pack