宇う宙ちゅう公こう害がい

noun

space environmental pollution

Refers to pollution of the space environment, such as space debris, chemical contamination, or other harmful effects caused by human space activities.

• 宇う宙ちゅう公こう害がいの一ひとつとして、スペースデブリが問もん題だいになっている。

  Space debris is a problem as one form of space environmental pollution.