quán qiú ér yán, sù liào wū rǎn yǐ jīng chéng wéi zuì jǐn pò de huán jìng wèn tí zhī yī.

全球而言，塑料污染已经成为最紧迫的环境问题之一。

Globally, plastic pollution has become one of the most urgent environmental issues.