1
Ozone loss was a thing even before CFCs were widely used
臭氧层破坏早于人类工业化：这项发现挑战了我们对环境问题的传统认知
With today’s scientific tools, the problem could have been spotted in the 1950s.
臭氧层破坏早于人类工业化：这项发现挑战了我们对环境问题的传统认知
With today’s scientific tools, the problem could have been spotted in the 1950s.