Harnessing renewable energy could revolutionise food security in the mountainous region of the Hindu Kush Himalayas, experts, including from India, said here on Tuesday. The remarks were made at a regional conference titled “Advancing Productive Uses of Renewable Energy in Agriculture in the Hindu Kush Himalayas” and hosted by the International Centre for Integrated Mountain Development (ICOMOD) in collaboration with the Alternative Energy Promotion Centre, Nepal.