Statesman: Even if there are expectations of record wheat output this year due to good monsoons, a study on the impact of climate change on the food grain has warned that the country’s wheat production may fall by about half a ton per hectare in 10 years if adequate measures are not taken to tackle the issue. Winter temperatures are predicted to rise by a minimum of 0.5 degree Celsius due to accumulation of greenhouses gases in the atmosphere. This, in turn, would cause 0.45 ton per hectare …