"350 ppm is a death sentence … The safe level of CO2 for SIDS (Small Island Developing States ) is around 260 parts per million …" CO2 buildup must be reversed, not allowed to increase or even be stabilized at 350 PPM, which would amount to a death sentence for coral reefs, small island developing states, and billions of people living along low lying coastlines." - AOSIS Briefing 2009