We've had a very significant increase in global temperatures since the industrial revolution where we really started you use tons of fossil fuels. It can't just be coincidence.
Also, Sheath I don't know if you answered this but, if this is just a scheme to get people to like the government, why do people all around the world recognize it?
Also, most if not almost all scientists from around the world agree that global warming is real. This is well known.