Asia News International: A new report by the UN Environment Programme (UNEP) has suggested that climate change is emerging as the latest threat to the world’s dwindling fish stocks. The report suggests that at least three quarters of the globe’s key fishing grounds may become seriously impacted by changes in circulation as a result of the ocean’s natural pumping systems fading and falling. These natural pumps, dotted at sites across the world including the Arctic and the Mediterranean, bring nutrients …