CO2 does have an effect on the heat retention of the atmosphere. The greenhouse effect is real. Still, human intervention has only a minor effect on global temperatures. For all our efforts, nature is still in charge of this planet.

Even if global warming is the problem the alarmists say it is, drastically reducing our CO2 emissions will have such a negative effect on everyone, that even if global warming was reversed it wouldn't be worth it.

Still, even if global warming isn't a big deal, we really need to start using more nuclear energy and less coal. Coal pollutes. A lot. Nuclear power on the other hand, releases no emissions.