But what? The Earth's temperature has been warming for the past 6,000 years, at least.
The best course of action that may have some small effect is to cease using fossil fuels altogether.
For electricity, we can use Sea Solar Power to provide ALL of the world's electric needs within 20 years.
The only alternative for liquid fuels that I know of at present is to use biomass, as processed into substitute crude oil by means of a process like this one:
Missouri plant aims to make oil from Turkey waste. It is important to understand that the oil from this process can be used by a standard oil refinery without any changes.
For more information see Sustainable Energy Coalition
However, the major causes of global warning are beyond human control.
David F Mayer