This document summarizes information about jellyfish and sea turtles, including their habitats and how human impacts affect them. It describes jellyfish habitats in shallow coastal waters down to 12,000 feet deep and notes they come in various sizes up to 100 feet long. It explains how jellyfish populations are increasing due to pollution providing more food and warmer waters. This is negatively impacting fishermen and swimmers. For sea turtles, it provides details on their habitats in oceans worldwide and nesting on beaches. It lists threats including people killing them for food and how they absorb pollution which can make people sick from their meat.