It was probably already too late in the 1970s, when the best available scientific theory was telling us that industrial emissions were about to precipitate a new ice age, in which billions would die.
おそらく 1970年代には 手遅れになっていました 当時の最も有効な科学理論に拠れば 排ガスは新しい氷河期の到来を引き起こし 数十億人が死ぬだろうと予測していました