| Year David Stolberg first tried to recruit founders for an environmental journalists' association | 1987 |
| Date SEJ incorporated | 2/14/90 |
| Charter members established at first board meeting, July 9, 1990 | 79 |
| Names on the board's outreach list that day | 300 |
| Names in 1992 membership directory | 802 |
| Names on current roster of members | 1,264 |
| All time high number of members, 2009 | 1,514 |
| Names in Central Database at SEJ HQ, current contacts | 20,198 |
| Annual Conferences | 25 |
| Conference registrants | 14,687 |
| Journalist-registrants | 6,613 |
| Largest participation (2011 Miami) | 1,038 |
| Annual conference sessions | 846 |
| Annual conference full day tours | 184 |
| Multi-day post-conference tours | 12 |
| First panel on data reporting | 1991 |
| First conference panel on climate change | 1993 |
| SEJ.org established | 1996 |
| Local and regional events organized by members | 112 |
| Issues of SEJournal | 94 |
| Years of Mentor Program | 25 |
| Years of diversity fellowships | 15 |
| Years of SEJ Awards program | 14 |
| Stories recognized with top awards | 122 |
| Years of FOI WatchDog program | 15 |
| Number of SEJ Freedom of Information WatchDog TipSheets published since 2003 | nearly 300 |
| Number of other SEJ reporting TipSheets published since 1996 | nearly 400 |
| Current number of TipSheet subscribers, including WatchDog TipSheet | 1022 |
| Net assets reported at first formal board meeting, July 1990 | 3,360 |
| Dollars awarded for story projects through the Fund for Environmental Journalism, Sept 2011 - Jan 2015 | 107,230 |
| Largest operating budget to date, 2011 | 1,014,326 |
| SEJ operating budget 2014 | 878,813 |
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