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Ocean pH has decreased by about 30% already and if we continue emitting CO2 at the same rate by 2100 ocean acidity will increase by about 150%, a rate that has not been experienced for at least 400,000 years. Such a monumental alteration in basic ocean chemistry is likely to have wide implications for ocean life, especially for those organisms that require calcium carbonate to build shells or skeletons. | Ocean pH has decreased by about 30% already and if we continue emitting CO2 at the same rate by 2100 ocean acidity will increase by about 150%, a rate that has not been experienced for at least 400,000 years. Such a monumental alteration in basic ocean chemistry is likely to have wide implications for ocean life, especially for those organisms that require calcium carbonate to build shells or skeletons. | ||
== Impact of climate change on species == | === Impact of climate change on species === | ||
Through rising temperatures resulting in a shift of climate zones forces species to adapt to the new climatic conditions. By a rapidly increased temperature, the risk for especially plants not to find areas with suitable living conditions early enough is higher. Observations of several species conclude that they are moving their ranges polewards to keep up with the changing climate. | Through rising temperatures resulting in a shift of climate zones forces species to adapt to the new climatic conditions. By a rapidly increased temperature, the risk for especially plants not to find areas with suitable living conditions early enough is higher. Observations of several species conclude that they are moving their ranges polewards to keep up with the changing climate. |