Out of all trash plastic is effecting the earth the most. plastic does the most damage to wildlife ,environment and human. . 80% of trash in the ocean comes from land. pollution comes mainly from household waste, which is not recycled right and is dumped in landfills or left in nature. studies have shown that plastics in the ocean decompose faster in sun, rain, and other conditions, resulting in the release of toxic chemicals such as bis-phenol A. However, due alot of plastics in the ocean, decomposition has slowed down.