In the article, according to:
- Professor Darin Toohey of CU-Boulder's atmospheric and oceanic sciences department. "If left unregulated, rocket launches by the year 2050 could result in more ozone destruction than was ever realized by CFCs."
You want to confine Humans to one small rock, then cut down on ways to get off the planet and research on how to live somewhere else. We need more and bigger rockets, cheaper, more efficient...not fewer.
Read the article. In my mind, there is damn little science here to base such a conclusion on...