There are different opinions about this.

Here is [u]an experiment[/u]:

You will need two thermometers one to put inside and one to put outside. Get a sheet of paper and draw up a chart.

Over one week record read more

A wind turbine requires 50 tonnes of steel and more than a square kilometre of ground space.

Could we carpool over?

This might be of interest talking about solar furnaces it’s a 7 minute video from Zero Carbon Australia (ZCA) produced to support the recent Brisbane launch of the ZCA Stationary Energy Plan.

We went to the Alternative Technology Association’s meeting tonight where they had a guest speaker from a Brendale firm that is marketing solar air-conditioners.

I took notes. There are questions read more

Love “I care about No Carbon” and “I love (heart) The Grove”.

What about one that captures the upper Kedron Brook valley in some way?

Air temperature is not the only factor to consider. Wind and the associated chill factor will also influence the choice about keeping doors and windows open or closed. It is also worth considering air read more

Energex is trialling these in Arana Hills and Ferny Grove to cut energy use during peak times. The devices won a Premier’s Climate Smart Sustainability Award this year.

It is designed to be ‘set-and-forget’ read more

Zero Carbon Australia’s [url=http://beyondzeroemissions.org/zero-carbon-australia-2020]Stationary Energy Plan 2020[/url] to make Australia totally renewable by 2020.

This is a major (197 page) read more

I think we can also look to renewable energy alternatives eg. solar and wind. There is a Renewable and Clean Energy mini-expo on Sat-Sun 14th-15th August 10am- 4pm at St Peters Catholic Primary School read more