Dec 8, 2017: Bitcoin Climate Disruption

Is Bitcoin adding to Global Warming? (Image Source:

In last week’s Newsletter I mentioned a Guardian article which claims that processing of Bitcoin transactions now requires more energy than the entire country of Ireland. My friend Kevin responded with a link to this article from Grist which makes the following predictions (emphasis mine)…


Dec 1, 2017: The Coming Disruption

When you have an hour to spare I strongly encourage you to watch the following video presented by Stanford University Futurist, Tony Seba, about the impending disruption of the transport and energy sectors. Here are just some of the information it presents:

Electric Vehicles (EV’s) have 100X fewer parts than Infernal Combustion Engine Vehicles (ICEV’s) […]

Nov 24, 2017: Suncrowd Review – 0 Stars

Please allow me to begin this week’s Newsletter with an apology for my part in helping to organise the Suncrowd events that were held in our region a year ago and for helping to persuade people that this Community Solar Bulk Buy program was a good idea. It certainly seemed like one at the time […]

Nov 17, 2017: Tesla Tiny House Here Next Week

I’ve been all over South-eastern NSW in the last couple of weeks performing Energy Audits and Assessments on homes and small businesses from Jindabyne to Maitland. Out of the twenty or so buildings I’ve investigated more than half were built in the early 80’s and have little or no insulation. Very few were correctly oriented […]

Nov 2, 2017: Montana Off-grid Eco Tiny House

I’m happy to report that I’m now back home at the Greeny Flat with my beloved Cintia. I had a great trip and a wonderful time with my son, Sam. We managed to make a lot of improvements to his house including adding about a foot of insulation to his attic on the day before […]

Oct 27, 2017: Glorious Rain and Good Results

Our rain gauge this morning after a long dry spell.

I’m still pretty jet-lagged after arriving back in Sydney the day before yesterday but I’m very happy to report that I seem to have brought some rain with me. It’s been a long dry spell here (and in Montana too) with our weather station […]

Oct 20, 2017: Cattle… Good or Bad?

Gathering cattle in Big Sky country.

I’ve spent the last week out at Sam’s grandfather’s ranch in Eastern Montana gathering the cattle in the Custer National Forest and bringing them down to the ranch in time to ship the calves to market tomorrow morning.

In last week’s Newsletter I mentioned that I was heading […]

Oct 13, 2017: The Snow Shows Where the Heat Goes

A fresh dusting of snow shows where heat is escaping through the roof of this house in Missoula.

Greetings (for the last time on this trip) from Missoula, Montana where we woke up to find a fresh dusting of snow on the ground this morning. This will be just the first of many snow […]

Sept 6, 2017: Tesla Tiny House coming to Bowral

The Tesla Tiny House is touring Australia towed by a Tesla Model-X

Readers in Australia may have heard of the ‘Tesla Tiny House’ which is currently doing a tour of capital cities around the country to showcase Tesla’s home energy storage systems and, of course, the Model-X SUV that is pulling it. The good […]

Sept 29, 2017: Home Solar and Double-dipping on Carbon Emissions

I’ll be in Montana for another month and we’re making some good progress on Sam’s house. This week we’ve started painting the outside with some warm colours that should help make it feel cozy through a long Montana winter.

This is how Sam’s house looked yesterday

In a couple of weeks we’ll be heading […]