He was awarded the Order of Australia Medal in the Queen's Birthday Honours List in June 2009. This award was for services to the Australian film and television industry as a screenwriter and educator.
His TV writing is used as an example of economy, wit and minimal formal camera directions in at least one screenwriting textbook. 
He also served on the Board of the Victorian Film Corporation from 1977 to 1984.
His screenplay 'Boy Soldiers' was the first Australian drama to receive an Emmy nomination
1976 - AWGIE (Best Screenplay)
1979 - 'Picnic at Hanging Rock' Nominated for a Saturn Award (Best Writing)
1990 - AWG Richard Lane Award
1991 - International Emmy nomination for the screenplay of 'Boy Soldiers'
2009 - Order Of Australia Medal
- "GREEN, Clifford". Australian Government - It's An Honour. Department of the Prime Minister and Cabinet. Retrieved 8 June 2009.
- Aronson, Linda. Scriptwriting Updated. Australian Film, Television and Radio School. ISBN 1-876351-03-9
- "I Can Jump Puddles (1981)". Australian Screen. Retrieved 2008-02-13.
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