OUR STAFF REPORTER LAHORE Speakers at a conference on Fresh Water Issues and Population Explosion have highlighted the risks of rapid population growth and shortage of fresh water supplies in the country saying that finding the immediate solution of the problems is the need of the hour. Pakistan Council of Scientific and Industrial Research (PCSIR) and Shadman Education Trust jointly organised the event here on Monday. Senator SM Zafar inaugurated the conference while King Edward Medical University former vice-chancellor Dr Mohammad Salim Akhter and scientists across the country spoke about pertinent topics such as the spread of water-borne diseases due to contamination of water, industrial pollution and its effect on human health.