The ingenious Elon Musk with a rocket fleet performing a global task providing a network of satellites. Acceptable damage to nature for the benefit of the development of innovations. Rocket fuel kerosene + oxygen and other mixed toxic fuels are negative for the ozone layer. You can discuss for a long time about the bias of questions from competitors or adherents of preserving organic life in the form of food on your table and in outer space. Where is the line? Is there a need to study the possibility of using harmless technologies in this industry or is this a topic outside the discussion, because the benefits as they are, are more than harm? What scale is the measurement? What about hydrogen liquid propellant rocket engines? Can green hydrogen be used as an alternative? Is kerosene lamp still burning?