Cleantech

Global CO2 emissions up by 45% since 1990

CleanTechies gives us some data on something absolutely terrible for a global future : ” Global emissions of carbon dioxide (CO2) increased by 45 % between 1990 and 2010, and reached an all-time high of 33 billion tons in 2010. “ ” Increased energy efficiency, nuclear energy and the growing contribution of renewable energy are […]

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Renewables provide 20 % of German electricity

This has made quite the headlines on environmental blogs and newspapers. As TreeHugger puts it : ” Germany now produces 20.8% of its electricity from renewable sources. That’s an increase of 15 percentage points since 2000 “ Now, let’s congratulate the main European economic powerhouse for that. The Germans truly deserve it and we got

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European Union overestimated the role of biofuels

To the New York Times green blog : ” The European Union is overestimating the reductions in greenhouse gas emissions achieved through reliance on biofuels as a result of a “serious accounting error” Here is further evidence that biofuels aren’t really the answer we are looking for. If you have been reading this blog for

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Worth an article – my August 2011 tweets

I have been committed since January 2007 to bring you each month a selection of the latest headlines and best researches on sustainable development, climate change and the world energy sector. However, I don’t blog as much as I would like to and generally write around 25 posts per month. But many more news are

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Marine energy could add up to 240 GW by 2050

Here is my latest post on CleanTechies, this time on wave and tidal energies : “According to a new study by the Carbon Trust up to 240 GW of capacity of marine energy could be installed worldwide by 2050.“ ” Out of these, 75 percent could be coming from wave, and the remainder by tidal

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Giving some of my computer time for science

A post from TreeHugger got me thinking : why wouldn’t I give some of my computer time to help advancing research ? I had written about this almost three years ago, and being looking for a job, I often have a computer running. So, a month ago, on August 2nd, I started gathering information on

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An electric car goes 1,600 km on a single charge

Is this the car of tomorrow ? Gas 2.0 published an article on an electric car that did more than 1,600 kilometers (a thousand miles) with a single charge. The top speed was less than 50 kilometers per hour. As they note : ” The record for longest drive ever in a battery-powered vehicle (no

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US Army to spend $7.1 billion on renewables

Yes you read that right : the United States Army will spend $7.1 billion (around five billion euros) on renewable energy sources during the next ten years. The goal is to have 25 percent of renewables in their energy mix by 2025. As GreenTech Media notes : ” Secretary of the Army John McHugh today

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Worth an article – my July 2011 tweets

I have been committed since January 2007 to bring you each month a selection of the latest headlines and best researches on sustainable development, climate change and the world energy sector. However, I don’t blog as much as I would like to and generally write around 25 posts per month. But many more news are

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Cleantech investments increased by 32% in 2010

If you think the economic downturn is plaguing every sector, think again. To the UNEP : total global investments in clean energy grew by 32 percent in 2010 to $211 billion (146 billion euros). However, there is a catch : To Grist : ” For the first time ever, developing countries lead yearly investment in

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