Sustainability

One percent for the planet (and for us)

I noted on October that the United Nations want a global green New Deal and their latest Year Book brings us more information on that as now we have an estimate of the money needed. Dedicating one tiny single percent of the global GDP to combating water scarcity, climate change and biodiversity loss would enable …

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Towards sustainability, a series of lifestyle tips

2009 is due to be in many countries a recession year. This makes it the perfect occasion to embrace the tenets of sustainable development and consume less energy, water and so on. This will save you money,  preserve our environment and make you live a fitter life. A bright prospect called Towards sustainability,  it is …

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Why dividing by four our CO2 emissions can be done

It is said in France that we have to cut by a factor four our emissions of greenhouse gases by 2050 compared to 1990, and in a global scale by a factor two. It might seem impossible. But the more I am thinking about it, the more I believe it actually can be done if …

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Let there be more light ?

This week-end was held in Slovenia the seventh European Symposium for the protection of the night sky. This is the occasion to have a look at the lightning of our cities at night. As more lights mean more greenhouse gases emissions, we will have to reduce the amount of lightning to fight climate change. The …

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Collapse, how societies choose to fail or succeed

The book I review today is an excellent one on history, geography and sustainable development. Dr. Jared Diamond’s idea when writing it was to compile facts and figures about societies’ collapses and failures. This is done in order to allow us not to repeat the same mistakes done by the Maya, the Vikings in Greenland …

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