Energy

Whatever concerns energy and the ways to produce it goes here

One trillion dollars has been invested in cleantech

According to Bloomberg New Energy Finance, a trillion dollars – that’s a thousand billion, or 748 billion euros – has been invested in renewable energies, energy efficiency and smart energy technologies since 2004. As stated in the article : ” Annual clean energy investment has risen nearly five-fold, from $52bn (39 billion euros) in 2004 […]

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Solar to account for a third of energy by 2060

According to an International Energy Agency official, a third of ALL global energy needs could be answered by solar energies within the next five decades. (photovoltaic, concentrated and thermal) And this could be a low estimate : as Climate Progress notes : ” Solar is clearly proving itself without a price on carbon. With an

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Worth an article – My November 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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Too much uncertainty on CCS

I blogged two years ago that CCS won’t solve the climate change problem as it is too risky, too expansive, too little and… too late. Joe Romm, the main contributor behind Climate Progress recently noted : ” There are simply too many unanswered questions for anyone to say today that we could rely on large-scale

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Investments in renewables surpass fossil fuels

These are great news, just in time for the current climate talks taking place in Durban as to a new report from Bloomberg, global investments in renewables are surpassing for the first time ever the amounts invested in fossil fuels. With economies of scale and scope, both solar energy and wind power are getting cheaper

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IEA World Energy Outlook 2011

According to the IEA’s annual report, the situation is getting bleaker and bleaker. Confirming that we have five years to start decreasing our global emissions – cf. my previous post on that very matter – it is also providing several other findings. As you can sure imagine, several websites published lengthy articles on the very

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Prefering efficiency and sobriety over renewables

Here is my latest reflection on Cleantechies : ” The more I delve into energy and climate issues, the more this seems completely evident : we should prefer energy efficiency and sobriety over renewables.“ ” Making efficiency a priority – whereas renewables are the priority nowadays – will without a doubt benefit the consumer, the

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Toward risk-free nuclear with Thorium ?

The French magazine Science & Vie [Fr] published this month a lengthy series of articles on thorium-based nuclear, and how it could solve the various issues encountered with uranium-based energy generation. Much more safer, without the need to be enriched, Thorium is also four times more abundant than Uranium. Molten salt reactors could also recycle

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