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×![Space tourism: Rockets emit 100 times more CO2 per passenger than flights - imagine a whole industry](https://biz-file.com/c/2107/619743-208x117.jpg?2)
![Vaccines may soon make travel possible again. But how quickly will it return - and will it be forever changed?](https://biz-file.com/c/2012/591613-208x117.jpg?2)
Vaccines may soon make travel possible again. But how quickly will it return - and will it be forever changed?
Joseph M. Cheer, Colin Michael Hall, Jarkko Saarinen 29 Dec 2020
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![Space tourism: Rockets emit 100 times more CO2 per passenger than flights - imagine a whole industry](https://biz-file.com/c/2107/619743-208x117.jpg?2)
![Vaccines may soon make travel possible again. But how quickly will it return - and will it be forever changed?](https://biz-file.com/c/2012/591613-208x117.jpg?2)
Vaccines may soon make travel possible again. But how quickly will it return - and will it be forever changed?
Joseph M. Cheer, Colin Michael Hall, Jarkko Saarinen 29 Dec 2020
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