No, feedbacks do not always lead to runaway scenarios. More often they just lead to a new equilibrium.
Ah... No!!!
If it is called feedback, has a greater than unity return, then it is a lie, or it would lead to a runaway condition.
Feedback cannot be greater than unity, else you have a runaway condition. If the factors truly are a greater than unity condition, and we do not have thermal runaway, then we have maxed out what the earth is capable of heating to, from greenhouse gasses.
You cannot have more warming, in under a greater than unity feedback, the warming does not runaway.
It's like a guitar amp when they purposely cause feedback., the amplifier only has so much power, and you get no more power when you hit the limit.
I guess you are claiming then, without realizing it, that added CO2 will not cause any more warming.
References to papers showing that is the major factor?
They have been shown time and again. One specific paper places the soot warming at 1.1 W/m^2 global.
Most papers never try to claim it is the major factor for ice melt, I bet, in fear they would not be published, the math is easy to determine when they show the numbers of how much soot drops the albedo of snow and ice.
It's true that solar input dwarfs CO₂'s radiative forcing and that adding ~1.8–3 W/m² from increased CO₂ seems small in comparison. But climate change isn’t about the size of the total energy flow—it’s about imbalances in that flow and amplify over time through feedback loops. Even a small persistent imbalance—like the ~1 W/m² Earth is currently retaining—can cause massive changes when sustained for decades or centuries.
Yes, and changes in ASR, dwarf the changes in CO2 forcing. Like the cloud cover percentages I showed in an earlier post. they both heat the surface, and the ASR has been increasing far greater than CO2 forcing. To top that off, the indirect effects of solar changes are almost two times higher than the solar changes.