<Ul> <Li> Acknowledge that ocean acidification is a direct and real consequence of increasing atmospheric CO concentrations, is already having an effect at current concentrations, and is likely to cause grave harm to important marine ecosystems as CO concentrations reach 450 (parts - per - million (ppm)) and above; </Li> <Li>... Recognise that reducing the build up of CO in the atmosphere is the only practicable solution to mitigating ocean acidification; </Li> <Li>... Reinvigorate action to reduce stressors, such as overfishing and pollution, on marine ecosystems to increase resilience to ocean acidification . </Li> </Ul> <Li> Acknowledge that ocean acidification is a direct and real consequence of increasing atmospheric CO concentrations, is already having an effect at current concentrations, and is likely to cause grave harm to important marine ecosystems as CO concentrations reach 450 (parts - per - million (ppm)) and above; </Li> <Li>... Recognise that reducing the build up of CO in the atmosphere is the only practicable solution to mitigating ocean acidification; </Li> <Li>... Reinvigorate action to reduce stressors, such as overfishing and pollution, on marine ecosystems to increase resilience to ocean acidification . </Li>

What effects do plants have on the ph of seawater