Solar

Global solar PV capacity reach 100 GW

According to Ecoseed (via Solar Feeds) : ” The cumulative solar photovoltaic capacity of the world crossed the 100-gigawatt milestone in 2012 (…) according to figures from the European Photovoltaic Industry Association. ” The solar association also noted that the world’s PV installations can now cut 53 million tons of greenhouse gas emissions a year.  […]

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Another great Obama speech on climate

Earlier this week, the newly reelected US President Barack Obama addressed the nation in the annual State of the Union address. It was the occasion for President Obama to keep his hard stance on climate on energy. His previous speech during his second inaugural address had been a new hope for climate change. I stated

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Solar is already cheaper than coal

Solar energy may already cheaper than coal, at least for New Mexico, USA. To Bloomberg : ” First Solar, the world’s largest maker of thin-film solar panels, may sell electricity at a lower rate than new coal plants earn. “ ” El Paso Electric Co. agreed to buy power from First Solar’s the 50-megawatt Macho

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A cleantech revolution is taking place in the USA

I really enjoy infographics as they enable to gather a lot of information in a few moments. The latest I found via Twitter (see left) is on how a cleantech revolution is already taking place in the United States of America. Indeed, since 2007, energy efficiency, renewables like solar and wind (as well as natural

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Cleantech investments fell in 2012

According to Bloomberg New Energy Finance, investements in clean technologies fell by 11 percent in 2012 compared to their 2011 levels. They still amounted to 268.7 billion USD or over 200 billion euros. These news aren’t all that bad even if this decrease marks the end of a seeminlgy unstoppable increase but i has to

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Worth an article – my December 2012 tweets

Oops, I did it again ! I totally forgot to publish the selection of my best tweets of November. Luckily for you all, I just did, so please don’t hesitate to go and read this article. In today’s post you will find the informations on climate or environmental issues, sustainability and the world energy sector

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Solar PV efficiency new record hit : 44%

To Treehugger : “ The National Renewable Energy Laboratory (NREL), and their industry partner Solar Junction, have just set the bar even higher in the race for ultra-high-effiency PV cells by achieving another world record of 44% efficiency. “ But wait, there is more as to another article solar PV panels could soon be 50

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The triple crisis, an update of the situation

Here is my first Cleantechies post of 2013. It is about how 2012 was interesting in terms of global effort on climate change. I believe it is a good complement to the post I published last Wednesday. Here is the introduction : ” As a close observer of the energy and climate global scene since

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Splitting water with solar power

This is a guest post from Mathias Aarre Maehlum, an environmentalist who studies energy engineering. In his spare time he works as a freelance writer. Read more of his stuff at Energy Informative. Researchers at Technion-Israel Institute of Technology have figured out a way to split water molecules (H2O) into hydrogen by using the sun.Hydrogen

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Worth an article – my November 2012 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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