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 mission is to help accelerate sustainability and ESG in the built environment.

Subscribe to our newsletter from the front page here:


Help us continue our work to produce quality journalism for the benefit of all in this industry and all depend on it.

Corporate memberships are available.

Contribute with a membership/paid subscription here

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 and potential customers. It includes a growing body of “explainers” to guide readers through topics of interest.

Contact for sponsorship opportunities.

Contact us

Editorial (0) 2 8084 2291

Publisher and Managing Editor, Tina Perinotto

Phone: +61 (0) 413 834 574

Editor, Kate Burgess

Phone: +61 (0) 402 479 499


+61 (0) 2 808 42291


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