Saudi officials saying that the Organisation of the Petroleum Exporting Countries will be unable to meet projected western demand in 10 to 15 years. This is a bit of a surprise, considering how optimistic OPEC usually is.
I found this 3 part interview with Matthew R. Simmons, author of Twilight in the Desert, very interesting. He goes into depth on the technical questions of oil production and our current situation. He has also posted a pdf presentation on the basis of his book.
Speaking of sustainability, the Wall Street Journal compares our housing situation with Japan’s lost decade.