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 […]
Solar PV efficiency new record hit : 44% Read More »
We have seen quite a few times that a carbon tax makes a lot of sense as it could literally help solve our most pressing problems : our warming climate and our broken economy. Well, it already does in Ireland. As the New York Times reports – who else could get such great news ?
The Carbon tax works : the Irish example Read More »
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
The triple crisis, an update of the situation Read More »
A great innovation I have seen on French cars recently is called Stop and start. Peugeot Citroen (PSA) started selling this anti-idling technology as early as 2006. The gains in urban driving are no less than ten percent… Indeed, thanks to start-stop systems, the internal combustion engine is automatically shut down while you are stuck
Start-stop systems are simple, yet brilliant Read More »
My current apartment in Valenciennes – Northern France – is located in a recent building (2000). And far from me the idea of bragging, but until temperatures dropped below zero (Celcius) I almost didn’t not use my electric heaters. My flat has double glazing windows and quite well insulated thick walls. The thermometer located in
The importance of good insulation Read More »
Dear visitors, readers and subscribers. Today, January 2nd, this humble blog turns SIX. As this is the first 2013 post, I would like to wish you and your loved ones a happy, healthy and sustainable year 2012 ! I have tried from day one to bring you a selection of the latest news and best
Happy and sustainable 2013 ! (starting season 7) Read More »
Dear visitors, readers and subscribers, as we are nearing the holiday season and the end of this year I am taking a short break at blogging. This is the occasion for me to wish you all a merry Christmas and holiday season. Please be sure that I will come back in January 2nd, 2013 to
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
Splitting water with solar power Read More »
Within my current involvement with the local JCI, I have been collecting information about biodegradable waste and composting. This is a question of importance as more than 30 percent of French waste could be biodegradable. Meanwhile, recyclable waste – paper, cartons, glasses – represent just one percent more and are sorted out and recycled. I
Composting matters Read More »
Here we go again with a brand new article on Cleantechies. This time, we focus on one of my favorite topics : insulating buildings with a new study on the very matter. Here is the introduction : ” According to a new study presented by the Renovate Europe Campaign, weatherizing European buildings in an important
A $370 billion idea for European buildings Read More »
