Blog Action Day is an annual worldwide event where bloggers write about a single topic on November 3 or 4th of every year.
[1] The event has also attracted support from the United Nations Environment Programme.
[4] Blog Action Day 2009 had new hosts: Change.org and was on the theme of climate change.
[5] Participants in 2009 included UK Prime Minister Gordon Brown[6] and Google's Official Blog.
This topic touches on the subjects of Community, Equality, Anti-Corruption and Freedom[8] The 2017 date is October 16.