Cleantech

Video : Timothée Parrique latest TEDx presentation

French economist and degrowth specialist Timothée Parrique recently gave a most interesting presentation at a recent TEDx show. This is well worth 15 minutes of your time.

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Retour sur les Troisièmes Rencontres Solaires de l ‘Est

Retour personnel sur les troisièmes rencontres solaires de l’Est qui se sont tenues cette année à Mutzig, en Alsace. On y a parlé autoconsommation collective, stockage et nouveaux modèles économiques.

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Happy new year 2026 !

For season 20 of this blog – started in January 2007, time flies – I would like to wish you and yours a healthy and happy 2026. One can say that if 2025 was rocky to say the least it looks like 2026 will be on par or maybe even worse. A quote is making

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Two new studies show that actually acting on climate would save millions of lives and trillions of dollars

As the UNFCC gathers again for COP30 in Brazil, two new studies show how acting on climate change would save millions of lives and trillions of dollars.

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Diversifions nos apports en chaleur et protégéons nos ressources en bois

L’ADEME s’inquiète du trop fort engouement pour le bois-énergie pour nos réseaux de chaleur et chaudières bois alors que le changement climatique bouleverse le cycle hydrique de nos forêts et que nos arbres meurent.

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Developing countries are going all-in on solar

For decades, access to electricity was either impossible or very expensive for billions of people. The current glut of solar PV panels produced in China is changing all this, bringing home and light to millions.

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Renewables have beaten coal for global electricity generation

This is it ! Renewables have beaten coal as the first electricity source globally in the first half of 2025. Solar, wind, hydro and other renewables accounted for 34.3% of global electricity consumed during the first semester of 2025.

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Electric car charging

Electric vehicles emits 4 times less CO2 than internal combustion engines ones

For this week’s post I am writing about transportation and a very interesting study on the Life-cycle greenhouse gas emissions from passenger cars in the European Union published by  International Council on Clean Transportation.

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Video : What are grid forming inverters and how they can help power our world

Solar and wind are great, cheap, clean energy sources and they just don’t provide grid stability and inertia like hydro, nuclear or fossil fuels. That’s why grid forming inverters are needed. More on this in today’s article.

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King Coal will disappear… And King Solar will replace it

Solar photovotaïc (PV) is growing exponentially and will one day replace King Coal. A look at the numbers.

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