I am always on the side of the revolutionists, because there never was a revolution unless there were some oppressive and intolerable conditions against which to revolute.
We did not treat the Americans badly. They left Iran in a relaxed mood. The embassy was active here after the revolution. We didn't have any problem with them. They started it.
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.