Category Archives: Technology

The Tesla battery heralds the beginning of the end for fossil fuels

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While wind and solar power have made great strides in recent years, with renewables now accounting for 22% of electric energy generated, the issue that has held them back has been their transience. The sun doesn’t shine at night and the wind doesn’t blow year-round – these are the mantras of all those opposed to the progress of renewables.

Now the renewable power billionaire Elon Musk has just blown away that final defence. Last Thursday in California he introduced to the world his sleek new Powerwall – a wall-mounted energy storage unit that can hold 10 kilowatt hours of electric energy, and deliver it at an average of 2 kilowatts, all for US$3,500.

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Vandana Shiva – seed freedom

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At WOMADelaide’s Planet Talks, Vandana Shiva, Paul Sutton and Tim Jarvis will be challenging the values that we place on our land, food and water, and what these values mean for the health of our planet and ourselves.

I spoke to Dr Vandana Shiva about seeds and freedom.

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The tipping point on the Great Barrier Reef

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There is rarely a time when both reality and written word marry seamlessly as they do when our incumbent Prime Minister and his phonetic namesake represent more than just their respective entities, but rather an important ‘fork in the road’, one that will have long and lasting consequences. The other similar pair is Joe Hockey and the hockey stick of carbon dioxideemissions. They are both occurring at the same time. A sign?

We are currently faced with a government which – against all common sense and due diligence – is willing to turn Abbot Point into a dump for three million tonnes of dredge spoil to create one of the world’s largest coal ports, without fully understanding the effects on the Great Barrier Reef.

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