America



According to new data from the US Energy Information Administration (EIA, how confusing…), the national energy-related carbon dioxide emissions declined by 3.8 percent last year, thus reaching their levels of 1994 while the economy grew. Many factors contributed to this drop in emissions. Among them are a warmer winter, a […]

United States emissions decreased by 3.8 percent in 2012


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The US Department of Energy (DOE) has published on its website a series on infographics and a great animation showing how wind energy is rapidly gaining pace and its capacity is booming. In 2003, there were 185 wind farms online, powering the equivalent of 1.6 million homes ; in 2008, […]

An American wind energy revolution



I have already noted quite a few times in the past month that grid parity is slowly but surely approaching. What if it were already the case ? To the Applied Materials blog and REneweconomy it is already here in over a hundred countries. Yes, solar photovoltaic installed on rooftops […]

Grid parity for solar PV is already here in 105 ...


Ever since I started to delve into energy and environmental issues, I have been advocating energy efficiency. It is the cheapest solution, and also the best one. This is why I have called it the panacea to all our energy and climate problems. It seems I wasn’t the only one […]

Efficiency gains momentum, decrease emissions


I have been committed since January 2007 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. […]

Worth an article – my February 2013 tweets



Since I started this blog – and even before – I have read quite a serious amount of books on energy and climate issues. But today I can say I have found my favorite : Reinventing Fire, by Amory Lovins and the Rocky Mountain Institute. Mixing the maths of Sustainable […]

Book review : Reinventing Fire, by Amory Lovins


350.org rally in Washington

This Sunday took place in the United States of America the largest climate rally ever (in the country) up to 40,000 people walked peacefully, chanted and danced in Washington DC. Other rallies were organized in many other states. All had the same message : they were asking President Obama to […]

The biggest US climate rally to date


I have been committed since January 2007 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. […]

Worth an article – my January 2013 tweets



President Obama SOTU 2013

Earlier this week, the newly reelected US President Barack Obama addressed the nation in the annual State of the Union address. It was the occasion for President Obama to keep his hard stance on climate on energy. His previous speech during his second inaugural address had been a new hope […]

Another great Obama speech on climate


I really enjoy infographics as they enable to gather a lot of information in a few moments. The latest I found via Twitter (see left) is on how a cleantech revolution is already taking place in the United States of America. Indeed, since 2007, energy efficiency, renewables like solar and […]

A cleantech revolution is taking place in the USA


President Obama

President Barack Obama delivered his second Inaugural Address this Monday in Washington DC. Climate change got quite a few mentions and it looks like the second term might be the time where the climate crisis is tackled as it should. However, this was supposed to be the case in his […]

Obama’s second inaugural speech is a new hope