Author name: Edouard

Edouard is an experienced sustainability and energy professional committed to bringing our societies to a carbon neutral future. He has been writing on related topics on this very blog since 2007.

Can the world be powered by 100% renewables ?

The WWF believes it can be done in four little decades. As they state on their website: ” All of the world’s energy needs could be provided cleanly, renewably and economically by 2050. “ They are right on one point : energy efficiency’s potential is gigantic. Indeed I am reading a book which thesis is […]

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16 GW of solar PV capacity added in 2010

According to Reuters : ” The world added about 16 gigawatts of new solar photovoltaic (PV) power in 2010, double the growth seen a year earlier, the European Photovoltaic Industry Association told Reuters on Monday.” Out of these 16 gigawatts, Europe is behind the vast majority of the growth with an impressive 13 gigawatts. Out

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Saudi Arabia overstated its oil reserves by 40%

To the Guardian : ” The US fears that Saudi Arabia, the world’s largest crude oil exporter, may not have enough reserves to prevent oil prices escalating, confidential cables from its embassy in show. The cables, released by WikiLeaks, urge Washington to take seriously a warning from a senior Saudi government oil executive that the

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Will molybdenite be better than graphene ?

As CleanTechnica recently noted : ” A serious challenger has emerged to take on graphene’s title as the miracle material of the 21st century, and that is a common, silvery looking mineral called molybdenite. (…) The lead researcher asserts that compared to conventional silicon transistors, a molybdenite transistor would use about 100,000 times less energy

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USA unveil $53 billion high speed rail investments

American high speed rail supporters, rejoice ! To Ecogeek : ” Vice President Joe Biden announced that the Obama administration is investing $53 billion in high speed rail development over the next six years.” Yes, you read it right : President Obama is really willing to invest nearly 40 billion euros in high speed rail

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How Germany recycles and reuses its waste

What struck me during my two stays in Germany is that recycling was already pretty important in everyday lives. Indeed, the country is already recycling or reusing 70 % of its waste. (the proportion in the United States is of only 33 %.) Earth911.com explains how the country achieved such a performance : “In 1996,

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High food prices contribute to MidEast unrest

We saw that oil prices are now back above $100 a barrel. Most unfortunately, food prices are also increasing, and this is a problem for the poorest populations of the globe, and this includes Egypt, the world biggest wheat importer. As the leading blog Climate Progress noted recently : ” Leading experts, reported in the

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A short video illustrating climate change

Sometimes a short video does better at explaining things than a long text. This is again the case with a video showing the five-year average global temperature anomalies from 1880 to 2010. Using data collected by the NASA’s Goddard Institute for Space Studies, the US National Climatic Data Center, the Japanese Meteorological Agency and the Met

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The last great water fight for the Mackenzie River

While reading Courrier International one article on the MacKenzie river recently caught my attention. It was first published by The Walrus, a Canadian magazine published by a non-profit charitable foundation. Here is an extract : ” the Mackenzie River empties a watershed nearly the size of Western Europe into the Arctic Ocean. Draining half of Alberta

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Great astrophotographies – January 2011

With some late – again – I would like to propose you my selection of the best pictures of the NASA’s Astronomy Picture of the Day (APOD). As always, here is my selection of the best pictures of last month. Today’s picture : Sometimes it looks like the Sun is being viewed through a large

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