You misunderstood. I didn't say we have to leave the planet. What I am exposing in the data is that we know how atmospheric CO2 would decrease if we did (and took all of our toys with us).
The answer is simple: We cannot fix this. Because any attempt would require energy and resources beyond planetary scale. Which means we are far more likely to kill everything on this planet than to fix it.
I am not a climate scientist either. I am, however, an engineer, and I have a pretty solid handle on Physics. Conservation of Energy alone says we cannot fix this.
BTW, by "fix this" I mean, any faster than the natural rate of about 50,000 years for a reduction of 100ppm.
If you take the time to read the Google paper I linked you'll find the statement that sent me on a path to truly try to understand this many years ago. They said, paraphrasing:
"Even if we convert all energy generation on the entire planet to the most optimal forms of renewable energy, not only will we not see atmospheric CO2 levels decline or level-off, they will continue to rise exponentially".
This was a conclusion exactly opposite what the researchers went into this "knowing". I appreciate they were honest enough to publish this and actually expose just how confused we've become about this concept of saving the planet. It simply isn't going to happen. Not in a generation, not in a hundred, not even in a thousand.
You see, it's that pesky bit of data: 50,000 years for a reduction of 100 ppm. Without humanity.
This means that if humans stay on the planet, even if population growth stopped, and we magically --because it would require magic-- became carbon neutral, it would still take at least 50,000 years to drop 100 ppm, or, more than likely, 100,000 or 200,000, pick a number.
This is equivalent to trying to remove smoke from your kitchen with a small fan while you continue to burn the food you are cooking on the frying pan. You just can't do it. You have to stop cooking and then wait for the small fan do do the job over a couple of hours. If you want it done faster you have to stop cooking and use a much larger fan (more energy). If you, on the other hand, continue to burn your food and install a bigger fan, you may or may not clear the smoke. If you do, it will likely take just as long or longer.
This isn't difficult stuff to understand. It's actually the most common sense science I've seen in a long time. The graphs tell a story. All we have to do is see it, read it and understand it.