6) The origin of the current thermal imbalance
There are no more doubts that human activity at least shares some responsibility with regard to the current imbalance, but to develop a good understanding of thermal science, we will explore all possible hypotheses, including the most implausible ones.
Question

An increase in temperature could correspond to:
- - An increase in the heat received from outside (from the sun)
- - A decrease in the heat emitted towards space
- - An increase in the heat received from inside (geothermal energy, human activity)
- - An increase in the Green House effect (which we will equate to a variation of the thermal resistance of the atmosphere)
Or to a combination of these multiple factors
An increase in temperature could correspond to:
- An increase in the heat received from outside (from the sun)
- A decrease in the heat emitted towards space
- An increase in the heat received from inside (geothermal energy, human activity)
- An increase in the Green House effect (which we will equate to a variation of the thermal resistance of the atmosphere)
Or to a combination of these multiple factors.
We can therefore list the following hypotheses: