Will make a longish post, but here are my comments on your list:
1. Thoroughly agree
3. Of course
4. Yes, there will be effects of some kind from the heat. Not sure if more severe weather is the most important effect though. Loss of Arctic ice and consequent potential shut-down of the global conveyor currents is the one that may have the biggest effect.
5. It is hard to identify a single phenomenon as "driving" global climate change since there are feedbacks pushing everywhichway in complicated fashion. However, CO2 is the one we have complete control over and could use it for leverage on methane, water vapor and other things.
6. Agreed. Weather does not equal climate. For every argument that goes "there is no global warming because it snowed in Houston last week", one could counter "there has to be global warming because it was hot in Chicago las week". It's just a silly argument.
7. Changes in average temperature can in fact kill you! If your ecological niche shifts northward or upslope, and barriers prevent your migration with it - you will die.
9. Agree. Furthermore, the non-renewables will by definition run-out. And, it will require energy to build the infrastructure required for a new type of energy. We can provide an orderly (albeit expensive) transition now using the remains of non-renewable energy, or stick our heads in the sand until they run out, and then we will have to build the new infrastructure with our bare hands and sticks.
10. Conservation is a win in three ways: 1st, you save right away. 2nd, things last longer, thus using less resources to build new ones and dispose of the old. 3rd less use also means less maintenance - which also saves energy and resources.
Cheers and Happy Holidays!