New Delhi, Nov. 12 -- Principal secretary to the Prime Minister PK Mishra on Wednesday urged closer integration of scientific research, reliable data and policymaking to tackle challenges in agriculture, food security and nutrition posed by climate change. Addressing the inaugural session of the 20th Annual Meeting of the Environment for Development (EfD) Network at the Indian Institute of Management, Kozhikode, Mishra said India needs to strengthen the availability and use of district-level data to anticipate climate risks and make agricultural and food security policies more responsive to local conditions. "National and state-level averages are important, but they do not always reveal the differences that matter on the ground," he said, a...