Pollution. Polluters don’t realize the detrimental impacts they are putting on the environment. If you are walking along the beach or along a trail and see some loose trash, do your part and pick it up and throw it away.
I would love to see the show cover marine organisms of the deep. I have always had a special interest in ocean life and some of the most interesting, intriguing creatures dwell in the cold, deep water of the oceans.