Too much of anything is never a good thing - coffee edition

I came across this interesting article from National Geographic:

Caffeinated Seas Found off U.S. Pacific Northwest

Yes, people drink a lot of coffee here! I guess it all has to go somewhere, huh? To actually end up making a difference in the ocean water, it is really probably a little too much. Maybe I should stop drinking all my 2-3 cups of coffee a week!