Tesla unveils its solar roof technology
Tapping solar vast potential is one of our best bets to become carbon neutral by 2040. As prices keep on dropping, one of the remaining problems is the look of the panels themselves.
Housing
Citigroup to invest 100 billion in cleantech
Yes, you read that right, it’s billion, with a B, like a thousand million… Now this is further proof that cleantech and renewables DO make sense financially. Otherwise, why would such a bank invests so much in them ?
Our civilization is 98 percent energy inefficient
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.
The value of a well insulated home
While browsing Cleantechnica I found the answer of a key question I have been having ever since writing my Master’s thesis. French houses are leaky ” thermal collanders “ as 20 million accommodations have to be weatherized. Potential savings could be the equivalent of 200 TWh of electricity per annum, knowing that the total electricity …
France unveils new efforts to renovate buildings
It had been a long while since my last post on Cleantechies, as I didn’t post during summer. But I am back with a post on a topic close to my heart as my Master’s thesis was on it. The French residential sector could benefit immensely from energy efficiency efforts and it seems the current …
France unveils new efforts to renovate buildings Read More »
An innovative idea to push for building retrofits.
Houses and building energy efficiency is a hot topic for me since I wrote my Master’s thesis on it back to 2006. Then I discovered that France had no less than 20 million buildings to insulate ( not bad for a country with 65 million inhabitants ) Now according to the Guardian, the UK Green …
An innovative idea to push for building retrofits. Read More »
United States on an energy conservation quest
President Obama is willing to save his country a lot of money : $40 billion, or around 30 billion euros, annually. These huge sums of money equal to reducing energy use in commercial buildings 20 percent by 2020. As Elisa Wood wrote on Cleantechies : ” To achieve the goal, the Obama administration in 2011 …
Prepare yourself ! Climate resilience
Some people prepare for Judgment Day, some others for a Zombie apocalypse. A few prepare for an alien invasion or when their government will start going dictatorship on them. I won’t discuss here these eventualities. However I seriously advise you to increase your climate resilience. With a warming and weirding climate, as well as with …
The importance of good insulation
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 …
A $370 billion idea for European buildings
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 …