Sustainability, climate change, cleantech and energy : a selection of the latest headlines and best researches.
  • Welcome to my website !

    A young French Management professional I have been delving into sustainability and energy issues since 2004. Here you will find all the projects I am involved in.

    Started in January 2007, my professional blog offers a selection of the latest headlines and best researches on sustainable development, climate change, cleantech and the world energy sector.

    All my +1,700 articles are to be found below.

  • For hire !

    After several missions in Marketing, Communications and Quality management - including one in the biogas industry in Colombia - I am seeking new challenges –preferably- in the cleantech and sustainability areas.

    This way I would be able to combine my international management education, my passion for the Internet, my taste for writing as well as my strong languages skills.

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  • Cleantechies

    A leading knowledge hub and fast-growing career & business network for cleantech professionals.

    Cleantechies provides insight, orientation, and opportunities for the Clean Tech community.

    It has published since June 2009 my articles and opinion pieces on French and European energy policies.

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266 gigawatts ! India is going big, enormous, on renewables

An indian engineer with solar cookers

While India is plaggued by horrendous air pollution just like neighbouring China, it might not be the case in ten or twenty years from now. We have seen the world’s largest democracy will provide clean electricity to 400 million people thanks to renewables.

Read more

Our civilization is 98 percent energy inefficient

Old incandescent light bulb

You know it if you have been reading this blog for some time : I am an energy efficiency nut. While less sexy than renewables, consuming energy more efficiently is just the most important part of our transition towards sustainability. Read more

Norway’s fund divests from coal and tar-sands

Lofoten, Norway

As the Wall Street Journal reported Norway’s sovereign-wealth fund – which was built on the country’s oil and gas revenues – is divesting from fossil fuels companies producing coal and tar-sands. Read more

A liter of light, an update

A liter of light

Back to  2011 I wrote about Isang Litrong Liwanag, a Filipino iniative to bring light to people living in the slums of Manila. Years laters, the project has grown, found partners and is expanding globally. Read more

Infographics on the water-energy nexus

A coal fired plant in Indiana, USA

We all need water and energy but with climate change, water scarcity is increasing. And sometimes, precious water is necessary to generate electricity. So for today’s post, I gathered a few infographics on that topic.  Read more

The Kyoto Protocol is a success. Really ?

I love the Kyoto Protocol

The Kyoto Protocol entered into force ten years ago and it is reason to celebrate. To the official UNFCC website, ” Countries with targets under the Kyoto Protocol have collectively exceeded their original ambition early analysis shows. “ Read more

Marine energies are growing

Alstom marine energies

For today’s post I have gathered latest news on a form of renewables we read too little about : marine energy. Given the astounding potential (240 GW by 2050), I believe it’s safe to say this will change as technologies mature.  Read more

Cheap oil won’t kill the cleantech revolution

Solar panels and rainbow

With the current low prices of oil – they are now around $50 –  one could think that solar, wind and the likes wouldn’t be this interesting as an alternative. Luckily, it isn’t the case at all. Let’s see why. Read more

Oceans are warming really fast

Oceans are warming fast

So fast, in fact that scientists studying the phenomenon are making new scales to adapt. As the Guardian reported last week , ” NOAA (the US National Oceanic and Atmospheric Administration )  literally has to remake its graphs. “ Read more

Bangladesh now has over three million solar houses


I reported in June 2011 that Bangladesh, one of the world’s poorest countries, had over a million solar roofs. A few years later and these figures have tripled as the country now has 3.1 million residential solar energy systems. Read more

Obesity costs two trillion dollars a year

Obesity costs two trillions dollars

Obesity is the hidden elephant in the room. To a new study released by McKinsey, this costs two trillion dollars a year as 2.1 billion people globally are either overweight or obese. This is an epidemic, no less. Read more

Electricity sources and their carbon intensity

carbon intensity of electricity per country

Which countries have the electricity with the lowest amount of greenhouse gases per kilowatt-hour ? Which energy source is the greenest ? An article from Cleantechnica answers these important questions. Read more

Australia is home to a solar revolution

Adelaide Pier, in Australia

I was tired of reporting how the situation is bad in Australia because of the current politicians running the country. So for today’s post here are some good news from Down Under as it is becoming a global solar leader. Read more

Biodersity conservation measures do work

Tigers - image credits WWF

These are good news, according to Treehugger, tiger populations in India has been increasing by 58 percent since 2006. These are especially good news as the country is home to 70 percent of the world’s tiger populations. Read more

South Korea enacts its cap and trade market

Seoul, South Korea

The world’s seventh carbon emitter started earlier this month the second biggest cap and trade program. As we have seen previously, South Korea is willing to cut its emissions by 30 percent by 2020. This cap-and-trade programm will enable it to do so. Read more

Europe is banking on wind, reaps profits

Ardrossan, Scotland, United Kingdom

And here is another article for Cleantechies ! This time I focused on the huge amounts of wind energy generated in Europe (namingly in Ireland and the Netherlands) this month thanks to the windy winter weather.

Cleantech investments rebounded in 2014

Concentrated solar

According to Bloomberg New Energy Finance global investments in clean energy such as wind and solar bounced back in 2014 with an increase of 16 percent over 2013. They reached $310 billion (260 billion euros). Read more

Wind to account for a fifth of global electricity in 2030

GWEC wind report 2014

In as little as 15 years, wind power will be accounting for a bit less than a fifth of global electricity generation. This is a staggering finding from the Global Wind Energy Council’s latest report. Read more

Using the most natural gas there is

Wastewater treatment

What if we recycled absolutely everything ? We are on our way to recycle or valorize all kinds of wastes but what about the body ones ? If I had written about urine a few times, it wasn’t that frequent I wrote about…  Read more

A cold home is bad for your health

A cold home in the middle of nowhere

My uncles always say that a warm home is the first comfort when it comes to housing. They are quite right as to Mother Nature Network, a frigid place can mean much more than feeling cold. Read more

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A French Management professional - now for hire - Edouard Stenger has been selecting since 2007 the latest headlines and best researches on sustainable development, climate change, environmental issues, cleantech and the world energy sector.


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Random wisdom

We abuse land because we regard it as a commodity belonging to us.

When we see land as a community to which we belong, we may begin to use it with love and respect.
— Aldo Leopold