It may be already too late, even doing everything right from now on.<p>The system still have some pending inertia to apply, the accumulated greenhouse gases (that would last there 10+ years for methane, and 100+ years for CO2 from their emissions) will keep the warming up the planet. They already triggered feedback loops will add even more greenhouse gases, and increase the rate of warming by i.e. increasing Earth's albedo, so is more than just inertia. The current photo must be complemented by what the system, by itself, will do even without our intervention, how it will keep changing hands off.<p>With that in mind, what is meaningful to do, what actions will be an environment fixing theather, PR, or just delusional? The most obvious answer is that is not just one thing, is a big pack of measures that should go from changing our lifestyle (and I don't mean personally, I mean civilization level), how is our economy, how we stop worsening the problem, and how we reverse the trends, maybe adding a little geoengineering to perish during the all the time that this will last.<p>The Ministry for the Future, with its own faults, proposed fixing the problem without magical solutions, was a very complex and diverse process with a lot of moving parts. The biggest fantasy of that book was that everyone was willing to play their part on this, and that everything worked perfectly without falling like a house of cards. Not saying that what should be done is what is described in the book, but whatever is done, won't be just an isolated action.