Last August, I attended the Twentieth General Assembly of the International Astronomical Union (IAU) in Baltimore, which lasted 11 days. Nearly 2,000 astronomers registered and participated in half a dozen parallel sessions. In addition, there were 10 or so satellite symposia and discussion meetings before and after the General Assembly. I estimate that the publications of all these meetings will require about 8,000 pages and the resources of at least four publishers. The total cost to any library that takes everything will not leave much change from $1,000. Worldwide we are talking about $500,000 of library funds to put the printed versions of this one scientific assembly on the shelves.
There is nothing special about astronomers in all of this; exactly the same sorts of meetings and their associated publications are found in chemistry, computer science, and molecular biology. What concerns me is that too much material is being produced ...