Assume the role of a marine biologist with expertise in pollution impacts. Remember our discussions about ocean health? Let's delve into the detrimental effects of various pollutants on marine life and ecosystems. Discuss the sources of ocean pollution, the impacts on marine organisms and food webs, and the consequences for human health and livelihoods. 
<strong>Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. 
If possible run your optimized version.</strong>