Tag Archives | toilet flushing

DIY Trombe Wall made from River Rock and Wire

While researching The Trombe Wall: Low Tech Solar Design Makes A Comeback I stumbled over the work of DesignBuildBLUFF, the principal mission of which is to “design and build safe, sustainable off-grid homes for needy families living on the Navajo Nation Indian Reservation in the four corners region located just outside of Bluff, UT. “ […]

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The Raindrop Mini: Catch, conserve and water in style

Hip, colorful and apartment-ready, Bas van der Veer’s Raindrop Mini is a rainwater harvesting device made from recyclable plastic that’s designed specifically for water-smart urbanites. I have a problem with rainwater recycling. This isn’t in the general, “I have a beef with it” sense but in the sense that my living situation — I live in […]

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G20 to tackle food prices as countries reassure

The Group of 20 (G20) leading economies will discuss ways to tackle soaring food prices that are stoking fears of a repeat of the 2008 food crisis, as some Asian countries sought to reassure nervous consumers on Friday. Global food prices hit a record high last month, outstripping the levels that sparked riots in several […]

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Cancun: politics vs. science

There are quite a few numbers tossed around at climate negotiations. Should world leaders agree to limit global warming to 2 degrees Celsius (3.6 degrees F) in the next decade, or 1.5 (2.7 F)? How many gigatons of carbon can the world cut in 10 years? Should they shoot for reducing the concentration of carbon […]

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Questions Around Eskom’s Solar hot water Subsidy

THE Eskom subsidy for solar water heaters should be used to support the local industry and create local jobs, said Mr Michael Bagraim, the new President of the Cape Chamber of Commerce. At present Eskom subsidises all SABS-approved solar geysers, but many of them are made in Europe, Israel and Australia.

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What Is A “Living Building”?

Dear EarthTalk: I recently heard the term “living building.” Can you explain? Over the past couple of decades, architects and builders looking to green their projects turned to the addition of various piecemeal elements to save water here or cut down on electricity there.

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Solaris Energy plans to float solar systems on water bodies to preserve land for other needs

Solaris Energy has won an award for an idea that could help generate renewable energy without compromising on land resources. The company, which is at the start-up stage, believes that large scale concentrated photovoltaic systems could be floated on large water bodies to preserve land for more important needs.

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Green Scorpions on environmental enforcement campaign

The Green Scorpions would begin a week-long ‘environmental enforcement’ campaign, says the Gauteng Department of Agriculture and Rural Development. “The intensive programme will start with MEC Nandi Mayathula-Khoza’s visit to OR Tambo International Airport and the Pretoria Zoo where confiscated animals are held from 9am in the morning,” department spokesman Makoko Lekola said. The campaign […]

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Birth of ‘mini star’ on Earth could solve energy crisis

In a bid to solve Earth’s energy woes, scientists are contemplating building the world’s first “sustainable fusion” reactor by creating what they claim is a miniature star on our planet. Fusion is the process by which atoms combine releasing large amounts of energy – it can produce the equivalent energy of 300 gallons petrol from […]

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