Whatever we do to protect the Earth, can be turned against us to destroy it, too. Before we develop the technology to do this earth-cooling properly, we need t

Whatever we do to protect the Earth, can be turned against us to destroy it, too. Before we develop the technology to do this earth-cooling properly, we need to establish the ethics to make sure it is done properly. Too often we technologists invent something that changes the world for the better, only to have it weaponised to make the world worse. I sure hope the space nerds are aware of this cold, hard fact.