The Fifth Estate, launched in April 2009, is Australia’s leading online newspaper for the sustainable built environment and all the businesses, professionals, academics, government agencies, community groups, not-for-profits, individuals in Australia and globally who want to be part of the sustainability revolution.

The Fifth Estate publishes news, views and information –  online daily, in newsletters, ebooks, webinars and events.

We are fully independent and receive no funding from any source other than conventional advertising or event sponsorship.

Our mandate is to help fast track sustainability and we strive to produce the highest possible quality journalism, free of charge, to as many people as possible.

Subscribe to our newsletter (generally twice weekly) from the front page or send a note to:

SPINIFEX is our reader forum, a place to share knowledge, insights, lessons and opinions.

Our requirements are for 700+ words, original content, and no self promotion. Intros and short bylines can give context to authors and content topics.

Send contributions to

or phone the newsdesk on 02 808 42291


The Fifth Estate in June 2018 launched a sister site The Green List, a directory/magazine to act as a marketplace for sustainability solutions. 

This is a curated website of sponsored content designed to heighten engagement of businesses with their existing customers and widen their pool of potential customers. It will include a growing body of “explainers” to guide readers through topics of interest.

Contact for sponsorship Green List opportunities.

Contact us

Editorial (0) 2 808 42291

Publisher and Managing Editor, Tina Perinotto

Phone: +61 (0) 413 834 574

Journalist Duncan Murray


+61 (0) 2 808 42291


The Fifth Estate
PO Box 563
Glebe, NSW 2037
Sydney, Australia