by J. Matthew Roney, Earth Policy Institute At the end of 2013, the wind farms installed in more than 85 countries had a combined generating capacity of 318,000 megawatts, which would be enough to meet the residential electricity needs of the European Union’s 506 million people. New data from the Global Wind Energy Council show… Read more »
Posts Categorized: Energy Systems
People are always fascinated by ram pumps. I think partly because they achieve the seemingly impossible task of pumping water to a higher height than the water supplying the pump, and they do it for no added energy input. This is often misunderstood as needing no energy, but even a casual understanding of the laws… Read more »
Trailer only – watch the full video here! Does history repeat itself? Geoff Lawton looks at the rust belt collapse of an entire industry in Holyoke, Massachusetts, and the lost opportunity that could have been prevented if people thought differently and redesigned their way using some proven Permaculture techniques. The future might have been vastly… Read more »
by Lesley White A highly-promising development out of Japan: a corporation called Blest has developed a home-scale plastic to oil converter. Through the process 1kg of plastic yields 1 litre of oil.
Using coal and kerosene to fuel a stove is both costly and hazardous. Social entrepreneur Crosby Menzies hopes it will become a thing of the past in Africa. He rolled out his solar cooker, a satellite-dish shaped oven that uses sunlight to cook meals, in the Johannesburg township of Soweto. By employing locals like Mthobisa… Read more »
Alfredo Moser with his solar water bottle bulbs Introduction Thomas Alva Edison lit up the world with his electric bulb in the nineteenth century. In this century it is the solar bottle bulbs of Alfredo Moser which are illuminating thousands of houses of under-privileged people in many countries. This simple invention of the Brazilian mechanic… Read more »
by Mo Lohre and Will Redwine Sorry for the hiatus, but would you believe we came across a few bumps in the road? Just like with any worthwhile quest, unexpected challenges emerged. Now that we’ve had some time to address them, we are excited to share our struggles as well as our findings. When we… Read more »
An interactive film about permaculture in the tropics, with education and inspiration as the main threads running through this hour-and-a-half-documentary.
by J. Matthew Roney, Earth Policy Institute In China, wind power is leaving nuclear behind. Electricity output from China’s wind farms exceeded that from its nuclear plants for the first time in 2012, by a narrow margin. Then in 2013, wind pulled away — outdoing nuclear by 22 percent. The 135 terawatt-hours of Chinese wind-generated… Read more »
Sitting quietly at Butterfly, on the shores of Lake Malawi, it always struck me as odd when I would hear of people in the U.K. and the ‘leisure time’ they allotted themselves to keep fit. I found it stranger when people would want to do it while here on holiday, but each to their own…. Read more »