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An interesting new publication from the Royal Society titled The impact of population growth on tomorrow's world addresses some of the following questions: How do we best approach the problem of unsustainable population growth? How do we cope with unprecedented rates of demographic change? What is the relationship between population size and conflict? And should we change retirement age as population age rises?

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The global economic downturn has slowed growth at major airports in the US and Europe, paving the way for more Asian and Middle Eastern airports to break into the top ten for passenger traffic levels. Based on passenger traffic stats for the first five months of 2012, airport-technology.com presents the ten busiest airports in the world.

While sub-Saharan Africa has seen robust economic growth, access to electricity is lagging behind. Shadow Business Secretary Chuka Umunna has called on British industry to support the development of renewable energy in Africa, highlighting the economic value of establishing a firm base in the continent.

China has signalled plans to invest $16bn into its electric vehicle (EV) charging infrastructure, a move that could stimulate massive growth in EV sales and help the country cut carbon emissions. We take a look at the project and find out what impact an EV revolution could have on the power grid.

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