Seriously: CO2 makes plants grow. Fossil Fuel deposits like Oil, Gas and Coal reduce the amount of CO2 that once existed in nature. By burning the fuel, we release the CO2 back into the Carbon Cycle where it belongs. Your failure to understand this doesn’t make it wrong.

See http://www.thegwpf.org/content/uploads/2015/10/benefits1.pdf and http://www.csiro.au/en/News/News-releases/2013/Deserts-greening-from-rising-CO2