The question is if fracking does...

...accelerate the reduction in CO2.

The answer is NO.

Consumption of fossil fuels is rising.

So there is no reduction, and no acceleration of reduction that fracking could be part of.

The question is if fracking does...

...accelerate the reduction in CO2.

The answer is NO.

Consumption of fossil fuels is rising. (Also [1].)

So there is no reduction, and no acceleration of reduction that fracking could be part of.