There was a news article today in the Boulder Camera by Laura Snider titled
The article includes the text
“The researchers found that the soot, or “black carbon,” created by 1,000 launches a year — the frequency promised by 2020 in some promotional materials for the space tourism industry — could cause temperatures in Antarctica to warm by as much as 1.5 degrees.
The team of three researchers — Michael Mills of the National Center for Atmospheric Research, Darin Toohey of the University of Colorado and Martin Ross of The Aerospace Corp. in Los Angeles — will publish their findings in the journal Geophysical Research Letters.
The potential impact of the black carbon in the rocket exhaust is magnified because the pollutant would be deposited miles above the surface of the Earth.”
The entire article is worth reading. See also the post
This is a new human climate forcing that would be added to an already diverse range of human climate forcings as reported in NRC (2005).