According to GreenTech Media, Ocean Thermal Energy Conversion is after wave and tidal energies the third form of ocean power. Albeit it was discovered a century ago, there have been few attempts at tapping this energy source. To Wikipedia, OTEC ” uses the temperature difference that exists between deep and shallow waters to run a heat […]
A third form of marine energy : OTEC Read More »
It is no news for you if you subscribed to this website : solar thermal alone could provide up to a quarter of global electricity by 2050. The use of molten salt could enable our civilization to store solar electricity for up to seven hours. Morocco is ideally located to harvest all this energy as
Morocco to build five solar plants by 2020 Read More »
The most probable answer is no. Then today’s post should help you reconsidering buying bottled water. Indeed, according to Annie Leonard’s latest short video the price of a bottle of water is 2,000 times the price of tap water. I stopped drinking bottled water when I bought a Brita water filter. I could have went straight
Would you buy a $10,000 sandwich ? Read More »
I really liked The Revenge of Gaia and have a profound respect for its author, the famous scientist and environmental thinker James Lovelock and this, even if I find him particularly pessimistic. This won’t change as for his first interview in a long time and after the huge failure of the Copenhagen climate summit, Lovelock believes
Are we intelligent enough to prevent climate change ? Read More »
I have been committed for three years 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. However, many more great news
Worth an article – my March 2010 tweets Read More »
I really like swimming. So, twice to thrice a week I go swimming at the Lons-Le-Saunier Aqua’ReL center (pictured left). Opened in 2007 it was built with sustainable development in mind and comes with plenty green features. Energy efficient, it is heated by the local waste-to-energy plant. Additionally, part of its electricity comes from 30
A swimming pool heated by waste energy Read More »
The city of Barcelona and Spanish utility Endesa have been installing smart LED lightning systems that automatically switch themselves off when no one is around. This enables the city to cut by 30 percent its electricity consumption. I really would like this idea to spread across Europe and even the entire world. Indeed, how many
Barcelona’s amazing smart lightning idea Read More »
The US Department of Energy released last week an interesting study on how LED lightning could enable America to save $120 billion (88 billion euros) over the next 20 years. To Ecogeek : ” The cumulative savings of widespread adoption of this technology over the next 20 years would be about 1.500 terawatt-hours (…) The
The huge potential of LED lightning Read More »
While reading CleanTechnica I came across a tremendously huge project : link via high speed rail Asia and Europe. This network would enable to go from London to Beijing in only two days. Within ten years, the three networks would transport people and goods alike and would link 17 nations – including India, Singapore, Vietnam,
Can China build three fast rail transcontinental networks ? Read More »
This week I read an article from GreenTech Media titled When sleep saves. This shows that a single company is due to save $400,000 (290,000 euros) this year just by putting all its computers in sleep mode when possible. I am amazed at how such a simple thing can save so much money. If such
The huge potential savings of small changes Read More »
