Otto, Reggie, Twister, and Sam initiate a beach cleanup, but when they notice it has become a recurring problem, they set out to find a permanent solution.

Erin tells her friend about the poisoned drinking water in Hinkley, California. Her friend says that a doctor told her everything was fine, but Erin mentions that the doctor was paid for by PG&E, the company that contaminated the water.

Hank explains how plastic pollution has had unintended consequences on our planet. He explains how this pollution results in the emission of greenhouse gases, antibiotic resistance and how these pollutants could end up being eaten by people when they eat seafood.

There are many benefits to using renewable energy resources, but what is it exactly? From solar to wind, find out more about alternative energy, the fastest-growing source of energy in the world, and how we can use it to combat climate change.

Greedly lets all the oil spill into the ocean. Captain Planet helps the planeteers to stop Greedly by sucking the oil back.