Similarly, oil and natural gas were to run out in 1990 and 1992, respectively; today, reserves of both are larger than they were in 1970, although we consume dramatically more.
De la misma manera, el petróleo y el gas natural iban a acabarse en 1990 y 1992, respectivamente; hoy, las reservas de ambos son más grandes que en 1970, aunque consumimos muchísimo más.