Cool roofs: beating the midday sun with a slap of white paint
Environment / Technology

Cool roofs: beating the midday sun with a slap of white paint

From the Guardian, April 14, 2017 (Image: Alberto d’Argenio via Flickr) There’s no shortage of measures that homeowners and businesses can take to lessen their environmental footprint – from better insulation and double glazing, to easing up on air-con usage and swapping in LED lights. One part of the house that seems to be attracting … Continue reading

Salt, silicon or graphite: energy storage goes beyond lithium ion batteries
Climate / Technology

Salt, silicon or graphite: energy storage goes beyond lithium ion batteries

From The Guardian, April 6, 2017 (Image: Solar thermal plant in Spain, Beyond Zero Emissions via Flickr) Between the political bickering following a spate of blackouts in South Australia and the billionaire entrepreneur Elon Musk tweeting that he had a fix, and then the South Australian government announcing that it will build a grid-connected battery … Continue reading

How an Indigenous renewable energy alliance aims to cut power costs and disadvantage
Climate / Environment / Technology

How an Indigenous renewable energy alliance aims to cut power costs and disadvantage

From the Guardian, March 17, 2017 (Image: Rusty Stewart via Flickr) Like so many of the Indigenous communities dotted across the Australian continent, the remote communities in north-west New South Wales are struggling. “These are not happy places,” says the Euahlayi elder Ghillar Michael Anderson. Many of the 300 or so residents of Anderson’s hometown … Continue reading

While governments dither, companies step up with environmental targets
Climate / Environment / Technology

While governments dither, companies step up with environmental targets

From The Guardian, March 10, 2017 (Image: reynermedia via Flickr) Each year, Investa Office Management releases its corporate sustainability report. In 2016, it announced that electricity use was down by 43% since 2004, gas use had fallen 38% over the same time, and water use had also being curtailed. This sounds impressive but how meaningful … Continue reading

Energy positive: how Denmark’s Samsø island switched to zero carbon
Climate / Environment / Technology

Energy positive: how Denmark’s Samsø island switched to zero carbon

From The Guardian, February 24, 2017 (Image: Marcelo Medeiros via Flickr) Anyone doubting the potential of renewable energy need look no further than the Danish island of Samsø. The 4,000-inhabitant island nestled in the Kattegat Sea has been energy-positive for the past decade, producing more energy from wind and biomass than it consumes. Samsø’s transformation … Continue reading

Silverton windfarm’s output will be equal to taking 192,000 cars off the road
Environment / Technology

Silverton windfarm’s output will be equal to taking 192,000 cars off the road

From The Guardian, February 10, 2017 (Image: @PaulDCocker via Flickr) After years in planning, construction on the Silverton windfarm in western New South Wales is finally set to begin after the sale of the project from AGL to its Powering Australian Renewables Fund (PARF). The deal will see AGL pay just $65 a megawatt hour … Continue reading

Environment / Technology

Solar cooling systems take heat out of summer’s hottest days

From The Guardian, December 20, 2016. (Image: allanjder via Flickr) As Australia settles in for another long hot summer, the demand for air-conditioning is set to surge. In fact, with the World Meteorological Organisation stating that 2016 is likely to be the hottest year on record, it’s no surprise an estimated 1.6bn new air conditioners … Continue reading