The science is clear that there is an increase in the amount of CO2 in the atmosphere. What is not clear from the science is how much of that increase is caused by human activity and what also is not clear is what impact those increases have on the climatic cycle.
If you take a look at history you will find that the understanding of what is good and evil has always existed before the individual religions. The religions were only invented by people afterwards in order to express this idea.