Indifferent to how practical you might think it is, one can still hold the view that it is more feasible to combat climate change that way.
Also, it is interesting to see, that you think it is more practical to eliminate air travel, than to employ new techniques to allow air travel while being climate neutral.
Also, it is interesting to see, that you think it is more practical to eliminate air travel, than to employ new techniques to allow air travel while being climate neutral.