Here is a unlimited link to potential Webinars, Conferences and more for Libraries!
International – http://www.lib.montana.edu/~james/
AASL Conference – http://national.aasl.org/
TechSoup for Libraries – http://www.techsoupforlibraries.org/events/archive
Information Cientifica Internacional – http://www.iciweb.com.mx/index.html
American Library Association – http://www.ala.org/conferencesevents/ala-upcoming-annual-conferences-midwinter-meetings
NCTE Conference – http://www.ncte.org/annual
School Webcasts – School Library Jounral
American Library Association Webinars – Here!
Special Libraries Association – Webinars
Library Connect – Webinars
Public Library Association – Webinars
Check here for further resources coming out of various librarians from all over!