Honestly don't know what the hell to think...
On one hand I understand that the sun reached its peak in 1955 for TSI. So we really shouldn't of been warming in the 1980s-2000s at all...Look at any tsi chart and you will find that we should of slowly been cooling. A net negative forcing on the system from our star. So we have to explain the warming of the past few decades somehow...Co2 makes some sense as there surely isn't any internal "cycle" within the climate record that can force .4c of warming or cooling on a decadal scale on the global scale. Maybe the PDO within North America or the AMO within the Atlantic surface temperatures, but this surely isn't global. The sun solar cycles make the grand mins and max's, but that is already explained for. External forcing it is.
If co2 is against the laws of physics--- then I'm stumped on what it could be. If it is co2 then you have to ask your self's a shit load of questions. 1# Why did the warming slow in the 2000's, if not stop? Hansen believes Aerosols and grand minimum that led to the negative forcing countering over half of the co2 forcing(-1.6 watts/meter^2 negative forcing for aerosols). Works with the oceans too as that has surely slowed its upward climb for the same reason..... 2# How is this negative forcing going to react in the future? 3# When are we going to start warming again at a noticeable rate? 4# What effects will it have.
In my opinion it's a far more complex climate system then the science gives off. I believe that most of the advances within the science within the next decade will be understanding the negatives...As we will need to understand them to understand how our climate system would work within the pro warming side of things.
If co2 truly doesn't have any effect then we still have the red hiring of why it warmed in the 1980s-2000's. We have to ask our selfs why? Then if you care enough to went to figure out the climate "then" we have to get a better understand of it through studying the sun and internal workings of the system...With the cosmic process too. We still have to understand the drivers of it.
We will know who is right by 2025.
If correlation equaled causation then the continued increase in CO2 would result in more warming yes? We aren't seeing that. Also the CO2 level has been as high as 450ppm within the last 200 years and oh my gosh, the world didn't end.
The scammers promoting CO2 as a evil gas have a lot of explaining to do.