For centuries the ocean has seemingly received and assimilated our waste of every kind: sewage, garbage, chemical effluent, lost ships, etc. We've given little thought to our power plants and our tailpipes—that these emissions would dissolve into the air instead of the water where it turns into acid concentrated enough to change its pH. Because the ocean is so vast, how could these seemingly little bits of human activity amount to much, and what could dissuade us from the benefits of the industrial revolution, technological advancement, and improved quality of life?