CO2 emissions per kg payload=22.800 kg payload336.552 kg CO2 14.76 kg CO2/kg payload i.e. that for 1 000 kg (1ton) 351 TON CO2 emissions Musk wants to send 1mio ton to Mars, calculate the CO2 from 352000000 TON CO2 now we are not yet talking about the other countries China etc. who send rockets to space and the endless satellites around the earth.. therefore urgently a worldwide regulation necessary and strike of all launches until further notice....