http://en.wikipedia.org/wiki/Net_energy_gain

http://www.oilcrisis.com/netEnergy/

http://www.eoearth.org/article/Ten_fundamental_principles_of_net_energy

[url=http://www.brisbane.qld.gov.au/BCC:BASE::pc=PC_2793]Lord Mayor’s Sustainability Grants[/url]

One feature of the post-Peak scramble for scarce resources such as energy is extreme and unwise planning decisions.

read more

ABC Catalyst 12 Aug 2010

Big progress with storage using new nano-porous materials to produce super-capacitors (hold 1000 or tens of 1000s more times more energy than conventional capacitors.)

Capacitors read more

[url=http://www.hillssolar.com.au/en-AU/Products/Collectors.aspx]Evacuated tube technology[/url]

This is a link from an ad for solar hot water systems – I’m not sure what other companies read more

Here is the formula for calculating your household’s annual carbon footprint.

Electricity: Annual total kWh x 20 =

Natural gas: Annual total Mj x 1.2 =

LPG (inc BBQ gas): Annual total litres x 32 read more

I was planning to go on the Saturday but will have to come back at some time for my daughter’s soccer game.

http://www.theatlantic.com/technology/archive/2012/05/a-data-visualization-maps-250-years-of-human-expansion-across-the-planet/257013/

I’m doing some research and receiving some conflicting advice. So here’s the burning question: Is it worth installing solar panels on our roof?

Just heard on Radio National: Biofuel production causes 420 times more carbon dioxide output than are output by the fossil fuels it substitutes for.