Positive changes usually do not happen overnight , but they do happen . For years China has been under a sea of rotting plastic bags , billions casually dumped every year . Since June this year , this tide of garbage had begun to ebb .

Question: What may be the reason plastic garbage has begun to ebb ?
Answer: China has made plastic free for purchase to all .China has banned plastic in the entire country .None of the above choices .China has decided to hide all plastic from the public .