SUSTAINABLE TRANSPORTATION: AIRSHIPS VERSUS JET AIRPLANES
The cloud that now surrounds the silver lining of jet airplanes is the smoke from their contrails. As the 21 st century progresses, burning fossil fuels with abandon is coming to an end. This paper offers a definition of a sustainable transport system while outlining the need, presents information on jet airplane Greenhouse Gas (GHG) emissions and mitigation. This is followed by highlighting transport airships that could replace the most polluting older passenger jetliners that have been converted to cargo carriage. The paper concludes with some thoughts on the impact of transport airships in international trade.