That doesn't sound like much, but there are many large cities around the world, much built on reclaimed land, that are not more than 30cm above sea level, millions and millions of people would be displaced. Stephen Simpson More Quotes by Stephen Simpson More Quotes From Stephen Simpson There is a severe food security risk in the tropics, no species are already activated to temperatures warmer than the tropics, so you could see a real crash in food fish populations. And these are places where coastal nations often have no other protein in the diet other than the fish from coral reefs. Stephen Simpson health-news