Graeme M's latest activity

Thank you everyone for your comments. I hadn't realised this would be such a tricky question, but perhaps the problem is I am asking...

OK. Drakkith clearly said this:

Pretty much, yes. If the atmosphere were at +15C and all the GHGs removed (leaving about 99% of the total mass), I'd assume it could not...

Just to be clear, I'm not trying to "disprove" the greenhouse effect of how GHGs affect the atmosphere. I am reasonably comfortable with...

Yes, which is what is frustrating. In that post, I was more trying to get to a simple explanation of how the real atmosphere is affected...

No, because that's what I understand to be the case. However, at this point we have an atmosphere being warmed that has no means to...

I really worry that continuing to ask this question is going to make me seem sillier than I fear I am. Maybe if I try to be clear about...

"Substantially more" isn't changing the fact that IR from the surface right now radiates to space in the end. What's relevant to my...

Sure, just as it does now. But the ground also warms the atmosphere from conduction and convection which dominate at lower near-surface...

Now we are getting closer to what I'm really after. As is pointed out, symmetric molecules like O2 and N2 transfer heat from molecular...

That's what I'm struggling with. I thought the point of the GHGs is that they can emit IR, so non-GHG gasses transfer heat via...

Quick question that I haven't been able to find the answer to. Greenhouse gasses both warm and cool the atmosphere by slowing heat loss...