fact-checkedtrusted sourceproofread How solar-powered airships could make air travel climate-friendly type='text/javascript'> googletag. In the course of his research, the scientist has become a true fan of solar-powered air travel and eagerly lists its many benefits: "Solar airships are absolutely climate-friendly because they are equipped with extremely light and highly efficient thin-film solar cells that recharge over again during the flight. There is space for a dining room and a lounge and for stylish double rooms for passengers