english: And so, 25 years ago, there was a peak oil; just like, in the 1920s, there was a peak coal; and a hundred years before that, there was a peak wood.
non_english: Bundan 25 yıl önce petrol zirvedeydi. Aynı 1920'lerde kömürün zirvede olması gibi, ve bundan 100 yıl önce de zirvede odun vardı.