[6] In June 2013, publishing group Weltbild, which was owned 100% by the Catholic Diocese of Germany, removed Greene's books from their stores.

[7] Greene's This High School Has Closets was a longlisted nominee for the Lambda Literary Awards in the 2012 young adult novels category.

In January 2014, Greene embarked on a lobbying campaign among ornithologists to get Merriam-Websters Dictionary to have a "Jabber of Jays" as an official term under bird groups.

[10] In February 2008, Greene filed a complaint with the Canadian Broadcast Standards Council (CBSC) against CKYE-FM and the Harjinder Thind Radio Show that aired on January 31, 2008.

[13] In 2012, Greene's publisher found that librarians would not review This High School Has Closets because they might provoke negative reactions from the public.