Climate change

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Top NASA official warns on climate change

James Hansen, a top NASA official famous for his speech twenty years ago on global warming strikes back. His first discourse rose awareness on climate change in the United States. In his anniversary speech, he stated that large oil and coal companies would commit crimes against Humanity and Nature if they continued emitting important amounts …

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India announces its first climate change mitigation plan

The government of the world’s largest democracy announced this week it’s first plan ever to mitigate climate change and to move toward a more sustainable development. This is great news. However, there are no real targets in any specific subject such as renewable energies – with a specific mention of solar – water, agriculture and …

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China: the red giant goes green

I was reporting it last week, China now surpasses the United States as the first greenhouse gases emitter. It accounts for 24 percent of global greenhouse gases. Meanwhile, pollutions of all kinds are soaring in the country. To put an end to all this, the Beijing government is moving towards a greener country. The French …

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Videoconferencing, a simple solution to climate change

At a time where oil is more and more expensive, companies are seeing their transport bills increase and are looking for alternatives to send their executives traveling to the other side of the world. Videoconferencing is according to the WWF one as it enable people to talk to each other when being thousands of miles …

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Decreasing the energy use of the IT sector

By reading the UNEP feeds, I came across an interesting report on the huge possible energy and money savings in the information and communication sector. According to a new report by the Climate Group and the Global e-Sustainability Initiative, worldwide savings could reach 500 billion Euros (800 billion USD) by 2020. This would lead to …

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World CO2 emissions rose by 3.1 percent last year

Global carbon dioxide rose by 3.1 percent in 2007 compared to 2006 levels. This is mostly due to Chinese emissions as the country accounts for two third of the increase. Meanwhile, the world’s most populous nation becomes the largest contributor to climate change as China emitted 14 percent more greenhouse gases than the United States. …

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Africa’s rapidly changing environment

According to the 390-pages atlas released by the United Nations Environment Program (UNEP), Africa is changing rapidly because of many factors like deforestation and climate change. The already fragile environments are under pressure due to wars, the increasing population and water scarcity, a major problem as 300 million people suffer from it. However, all these …

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Renewables aren’t perfect solutions

As I stated previously, no energy solution answer perfectly to all our needs. Renewables are no exception as they also suffer from two main issues : low energy density and intermittance. According to the French magazine Science & Vie, this poses a serious problem which compromises the dream of a future where we would get …

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IEA urges for a technology revolution

The International Energy Agency released today an interesting report urging once again its members to work on technologies that might solve the energy-climate equation. Stating that it is now or never, the experts believe that if nothing was done CO2 emissions would soar by 130 percent by mid century when in the opposite, they need …

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