 So we can say that now the rate of change of the Earth's system is a function of humans. The other four things are still there, but they're orders of magnitude smaller, so they don't play a big role in the equation at all. You can discount them currently. That might change in the next few weeks if we had a massive Tauber-like super eruption, but currently we can say for the last 40 years that that's been the case.