Financial Express: Think Earth Day and issues like pollution, greenhouse gases, water shortage, energy conservation and climate change can’t be far. But when you meet the father of the green revolution in India, Professor MS Swaminathan, around this day, it is climate change that dominates the discussion. One of the best brains that Indian soil has ever produced, Swaminathan is the recipient of 56 honorary doctorate degrees from universities across the globe and has been a strong presence in India’s Upper …