40 / 550 is less than 10%. That's actually a huge number considering that the planet has an "equilibrium". Your actions can affect that balance and the whole pl

40 / 550 is less than 10%. That's actually a huge number considering that the planet has an "equilibrium". Your actions can affect that balance and the whole planet goes into disarray. Not saying that's what will happen, though. The planet could also just absorb our extra CO2 (which is why it's becoming greener).