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One of the few power stations in Africa that recycles the water it uses
By 2020, renewable sources will be responsible for 26% of global energy production
An Interview with Jeffrey Sachs Jeffrey Sachs: «investments for the construction of large works in developing countries must increase».
The city makes big investments in metro lines and bike paths to be both green and efficient
An Interview with Andrea Goldstein
Line 3 of the Riyadh metro is the longest of the new metro network that will cross Saudi Arabia’s capital
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