1. Pacer
2. LFTR
3. Population Cap
4. Global Carbon tax
5. Carbon Fixing Wind turbines
6. Genetic modification of heat resistant crops
7. Increasing reflectance of buildings and other structures through painting etc
8. Burning off of vunerable clathrate deposits and other methane sources.
9. Spreading Of sulphuric aerosols in the atmosphere
10. Distributing Olivine deposits onto the land or into the ocean
Having done some research these are my favourite projects for fighting the dual problems of climate change and peak oil. In order of how helpful I think they would be.
I really beleive the human race has acted extremely irrationally towards these threats. If this had been a human threat like another country, we would have tried everything we could have to prevent our destruction even if the odds were agaist us.