Also available in: Arabic | French | Spanish Rows of solar panel at a thermo-solar power plant in Morocco. (Photo: Dana Smillie / World Bank)Over the past several years much has been written about…

Sameh Mobarek |

Driving across the Danish countryside, they cannot be missed: towering white wind turbines as far as the eye can see, their slow-turning blades providing a 21st century counterpoint against the…

Nicholas Keyes |