From 8th grade, knowing that there are variances and temperature swings from warmer to colder, the understanding that Global Warming has been a constant throughout history tells you that man made Global Warming is probably just a theory.
Upon examination of the actual (modern) theory of man made global warming it becomes evident that the scientist, scientist, that created the theory of man made global warming were speculating on unprovable reasoning and not considering the facts.
Once you know more about the modern theory, you will be able to understand what the theory means in reality. It means that scientists back in the 1800's and before theorized that chemical changes due to mans activities on earth somehow triggered chemical reactions that led to climate change caused by global warming. As if the cave men's fires caused a chemical reaction in nature and the Wooley Mammoths died in the resulting ice age after the warming trend turned cold. (Which usually happens after an ice age. Thinking about it - it seems like they were saying that there was some kind of mysterious chain reaction taking place in nature because of what men were doing and that was causing global warming. Like disrupting the balance of nature or causing some kind of disturbance.
The modern theory of man made Global Warming is based on the same theory that man is ultimately responsible for doing what causes Global Warming and in turn Climate Change. That the world and nature are the victims of man's activities and there are consequences from their actions.
With that in mind, if you study the diagram above you will note that global warming has happened over and over again. In modern times, the scientists who believe in the theory of man made Global Warming don't come out and say that they hypothesized that cave men caused Global Warming or that people who lived 2500 years before Christ caused it in some unknown way. There had to be a common denominator that was measurable. That common denominator turned out to be C02. Carbon Dioxide from emissions. Fires, car exhaust, factory emissions, *camp fires) methane gases, and so on. The argument that a couple of large volcanoes would equal all that was passed over by the scientists saying that there was no way to measure the output of carbon dioxide emissions. (Good excuse) And man did not create volcanoes, so, therefor it couldn't be to blame for any changes due to the emissions, anyway. LOL.
The main point of the modern theory that they apparently keep secret is that there might be a relationship between the amount of man activities and the extent of the Global Warming. Theoretically, the more activity, (Carbon Emissions( ((((((((((((( the BIGGER the Global Warming will be. And the more devastating thev Climate Change will be. And since man is way more active today that before, like preceding the MINI ICE AGE, then we better LOOK OUT!!!!
And governments need a lot of regulations and control on what mens / womens do because they need to protect the earth.
One thing about that control, like the "Paris Accord" agreement is that certain companies and certain countries seem to have a favored status with respect to the control counsel. Meaning that they can turn their advantages into making more money, like oil sands in Alberta Canada, and the control group can regulate investments around the controls and restrictions and regulations. * Pretty slick huh?
Ultimately, the question of Global Warming in science, is: Did men cause Global Warming 2500 years before Christ? Did cave men cause Global Warming that resulted in the Wooley Mammoths freezing to death? The answer is, of course, no. It is ridiculous to assume that Global Warming is man made.
Climate change can and probably has occurred in regions where vast areas of forest have been destroyed. Like the rain forest being depleted. We know that this process causes changes in weather patterns. We also learned that in 8th grade.