I'm with you on nuclear power.
One thing that should not be overlooked in this back-and-forth is that oil is a limited resource, with many critical uses other than fuel, and even if there was absolutely no sign of any climate changes, it would still be a good idea to find alteratives. Higher oil prices help this process.
Getting rid of outdoor lighting is going to cost lives. Don't know if the tradeoffs are worth it.
However, there are ways of increasing the efficiency of outdoor lights, including designs that throw more light down and less light up, that get the job done with less energy use. Many cities are working on this--CO2 or no CO2, lights cost cities money.