Category Archives: Sustainability

Variety of notes on green and grey and blue issues in life, energy and water etc

Green house gas emissions on the electricty bill

I was wondering whether the chart showing the green house gas emissions caused by our electricty usage should be zero. I called AGl and the customer service person tried to explain why we might still see emissions even if we chose 100% energy…. hmm
I checked the website noted below the chart. Under “sample [...]

Figuring out green energy mathematics

I have just spent the last hour wandering through the maze of information on green energy for the home, accreditation, different pricing options etc. I found a few interesting snippets:
In NSW, according to the last (2006 Q3) Green Power accreditation report, more green energy was “sold” than was purchased - overall thankfully more was “bought” [...]

Systems that are available for treating or recycling waste water in NSW

The lists below were compiled in November 2006 and partially updated in April 2008 - much may have changed since then. Please check through the accreditation listings and the associated websites for up to date details.
A good summary of grey water systems is at www.recycledwater.com.au
Biological Treatment (for irrigation and re-use)
The Biolytix system [...]

Regulations pertaining to Grey and Black water

The ATA (Alternative Technology Association) has a summary of the various Australian states Rules and Regulations http://www.ata.org.au/wp-content/articles/greywater_regs.pdfA local council approval to operate is required for an on-site sewerage or waste water management system, according to the NSW Department of Local Government. The Septic Safe Program was introduced to provide support and supervision to landowners and [...]

Motivation for Grey (gray) water, black water, sewerage or waste water treatment, recycling and re-use

It is quite a challenge to do online research water treatment for recycling or re-use. A variety of keywords is required to bring up all the various aspects, and some of the websites are still somewhat poorly setup in terms of making the best of the search engines. For many companies, [...]