Energy (and Other) Events Monthly - http://hubevents.blogspot.com
Solarray renewable energy and systems efficiency - monthly - http://solarray.blogspot.com
Zero Net Energy links list - quarterly listserv - https://zeronetenrg.blogspot.com
City Agriculture links list - quarterly listserv - http://cityag.blogspot.com
Geometry links list - bimonthly listserv - http://geometrylinks.blogspot.com
Notes on lectures and books - bimonthly - http://hubeventsnotes.blogspot.com