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Monthly Archives: October 2009

Australia Has Greatest “Blue Energy” Potential

Written by , on October 30, 2009

The term "blue energy" refers to salinity gradient power – the energy retrieved from the difference in the salt concentration between seawater and river water. The power is generated using osmosis with ion-specific membranes. Jan Post, at Wageningen University in the Netherlands, has researched the global potential for electric power generated in this way. His […]  Read more »

Giving “Pet Food” a New Meaning

Written by , on October 26, 2009

Robert and Brenda Vale, two architects who specialise in sustainable living at Victoria University of Wellington, New Zealand, have given a new meaning to the term "pet food" in their new book, "Time to Eat the Dog". The book compares the ecological footprints of popular pets with those of various other lifestyle choices. New Scientist […]  Read more »

Ford’s Electric Model T?

Written by , on October 24, 2009

Ford has showed off a prototype of what is being called called the Model T of the company’s electric car strategy – the battery-powered Focus sedan. To keep costs down, the Focus will be built on the company’s global “C” platform, which is used in two million cars a year. “This is about affordable transportation […]  Read more »

Study: Livestock Could Account for Half Greenhouse Gas

Written by , on October 22, 2009

It is generally argued that livestock are the cause of about 18% of worldwide greenhouse gas emissions. The figure comes from a 2006 United Nations Food and Agriculture Organisation report titled “Livestock’s Long Shadow”. A new study by Robert Goodland and Jeff Anhang, published in Worldwatch magazine, argues that this greatly understimates the impact of […]  Read more »

Study: We Could Achieve 100% Clean Energy by 2030

Written by , on October 20, 2009

Stanford civil and environmental engineering Professor Mark Z. Jacobson and University of California-Davis researcher Mark Delucchi.have written an article for Scientific American analysing how the world could achieve 100% clean energy by 2030. Their analysis concluded that the key factor is eliminating all forms of combustion as a way of generating power. The reason for […]  Read more »

“Black Hole” May Lead to New Way of Harvesting Energy

Written by , on October 19, 2009

Tie Jun Cui and Qiang Cheng at the Southeast University in Nanjing, China, have built a "black hole" for microwave frequencies. The device may soon be extended to trap visible light, leading to an entirely new way of harvesting solar energy to generate electricity. The electromagnetic "black hole" is made of 60 annular strips of […]  Read more »

Waste Heat Geothermal Energy

Written by , on October 5, 2009

The US Department of Energy is beginning a program to demonatrate a way in which the oil  industry can produce useful power from waste heat. When drilling oil and gas wells and on exploration drilling rigs, fluids are used to provide pressure, to keep the drill bit cool and clean and to carry the drill […]  Read more »

France Launches Electric Vehicle Infrastructure Plan

Written by , on October 4, 2009

The French Government has announced plans to invest €1.5 billion ($au 2.5 billion) in infrastructure for the two million electric and hybrid cars it wants on the road by 2020. The plan includes industrial research, making batteries, producing clean cars and building a nation-wide network of battery-charging stations. Under the plan, a million battery-charging points […]  Read more »

A Green Anthem

Written by , on October 4, 2009

Update to "Where Have All the Anthems Gone?" Do we finally have a worthy green anthem in the Time for Climate Justice campaign’s reworking of Midnignt Oil’s "Beds Are Burning"?  Read more »

Scientists Say Warming May Cause Earthquakes

Written by , on October 2, 2009

Scientists at  a conference in London have concluded that global warming could result in increased volcanic activity, earthquakes and tsunamis. The conference on Climate Forcing of Geological and Geomorphological Hazards suggests that climate change could tip the planet’s delicate balance and unleash a host of geological disasters – and that attempts to stall global warming […]  Read more »