After removing animals and vegetation from the water, the scientists found that diverse marine life soon regenerated in the non-acidic control areas, but in the acidic plots (which represented the oceans predicted pH levels for 2100 and 2500), urchins, snails, and other creatures never returned. <a href=http://wwwp.dailyclimate.org/tdc-newsroom/2013/07/future-acidic-oceans" target=_blank><b><i>