If you look at the discourse before the revolution, whether it is the left communist, whether it is the right secularist...the entirety of this discourse was such that it encouraged the kind of ascendancy for a man like Ayatollah Khomeini.
Christendom has had a series of revolutions and in each one of them Christianity has died. Christianity has died many times and risen again; for it had a God who knew the way out of the grave.
Concentration of greenhouse gases, especially CO2, have increased substantially since the beginning of the industrial revolution. And the National Academy of Sciences indicates that the increase is due in large part to human activity.
It began early in the revolution. It was a process that was unfolding on a daily basis. We expected the system to be dispensing justice, but every day that passed by, we recognized that the justice we expected and hoped for was not about to be achieved.