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.
Provavelmente já era tarde demais no final dos anos 70, quando a melhor teoria cientifica  da altura nos dizia que as emissões industriais estavam  prestes a despoletar uma nova era glaciar na qual morreriam milhares de milhões.