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Développement durable et efficacité énergétique
Pour un développement durable et pour l'efficacité énergétique. «Pour ce qui est de l’avenir, il ne s’agit pas de le prévoir mais de le rendre possible. »  Antoine de Saint-Exupéry
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The Global Population in 2100

The Global Population in 2100 | Développement durable et efficacité énergétique | Scoop.it
Solving many of the world’s biggest environmental challenges may have just gotten more difficult.

The Department of Economic and Social Affairs of the UN recently released population data indicating the midline estimate - more than 10.8 billion by 2100 - is 800 million higher than the 2010 prediction.

Today’s rural-to-urban migration will continue in full force, with upwards of 84% of the planet living in cities at the close of the century (compared to 52 % today).

Of course population isn’t the only factor contributing to humans’ planetary impact. Consumption may be equally important when looking at the drivers of environmental change across the Earth. Nevertheless, population will continue to be a major consideration as we work to address issues ranging from energy and food security to water availability, species loss, pollution, urban planning and more in the decades ahead...


Via Lauren Moss
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Bhopkins's curator insight, September 23, 2013 6:56 PM

population will continue to be a major consideration as we work to address issues ranging from energy and food security to water availability, species loss, pollution, urban planning and more in the decades ahead...

Aleasha Reed's curator insight, September 27, 2013 6:14 AM

By the year 2100 our global population is calculated to reach 10.8 billion. The United States is expected to grow another 150 million by this time. Our population right now is 313.9 million right now. Our big cities will continue to grow, and new ones will arise as the years pass.

M-Christine Lanne's curator insight, November 10, 2013 11:44 PM

La démographie, une donnée déterminante  pour l'évolution du climat et la pression sur les ressources naturelles. Nous finissons hélas par être trop nombreux sur terre pour ce qu'elle peut supporter au rythme actuel...

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The World as 100 People / Infographic

The World as 100 People / Infographic | Développement durable et efficacité énergétique | Scoop.it

A demographic portrait of humanity if the world were 100 people.

 

From data source, 100people.org:

The world population has now reached 7 billion people. This milestone inspired us to conduct research to update our statistics, and the changes over the past 5 years are remarkable. In 2006, only 1 person out of 100 would have had a college education-- today that number has jumped to 7 thanks in part to advances in higher education in Asia. The detailed research and source information can be found here and the statistics provided by Donella Meadows in 1990 that originally inspired our project can be viewed here.


Via Lauren Moss, Karen Bastien
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Aurélia-Claire Jaeger's curator insight, March 29, 2013 3:03 AM

J'aime bien ce coup d'oeil sur notre monde ...

micheala mendoza's comment, April 1, 2013 8:21 PM
https://plus.google.com/communities/100538289384834788731
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Smart Cities: Technology, Sustainability & Innovation for a Better World

Smart Cities: Technology, Sustainability & Innovation for a Better World | Développement durable et efficacité énergétique | Scoop.it

They only occupy two per cent of the Earth’s land mass, but cities today use a huge amount of the planet’s natural capital, consuming 75 % of global resources and generating 80 % of global greenhouse gas emissions.

As the world population grows to 9 billion by 2050, the number of those living in urban areas will swell by 3 billion to 6.3 billion. With demand for energy and resources set to spike on the back of urban population growth, smart cities have emerged as the modern answer to the wave of urbanisation sweeping across the globe.

 

What defines a smart city?

Put simply, smart cities integrate diverse technologies to reduce its environmental impact. Using a more formal definition from a recent report by the United Cities and Local Governments, smart cities use new technologies, innovation and knowledge management to become more liveable, functional, competitive and modern, bringing together six key fields of performance: the economy, mobility, the environment, citizenship, quality of life and management.


More details at the link...


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Infographic: Feeding 7 Billion People And Counting

Infographic: Feeding 7 Billion People And Counting | Développement durable et efficacité énergétique | Scoop.it

Inspired by a recent Wall Street Journal article, Sustainable America has created the following infographic to show how food is wasted and lost around the world, and what can be done about it.


Food waste and food security are serious problems, but there are current solutions and ways you can help. Read on to learn more, and stay tuned for our next blog post, which will delve deeper into some of the points made by Lappe and Nierenberg in the Wall Street Journal piece.


Via Lauren Moss
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Creativity Angel's comment, February 3, 2013 11:30 PM
Insects are the solution, more than 1,000,000,000 people on the planet eat insects every day.
Creativity Angel's curator insight, February 3, 2013 11:31 PM

Insects are the solution. Western people has to use to know that more than 1,000,000,000 people on the planet eat insects every day and they are the most effective food.

Mercor's curator insight, February 4, 2013 2:45 AM

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