All renewable energies are being developed, but they are not all at the same stage of maturity. The worldwide boom in photovoltaics, made possible by the sharp drop in the cost of producing a kWh, is the most spectacular event…
Read moreRenewable energies (hydraulic, solar, wind, geothermal and biomass) are developing intensely all over the world, driven by the need to combat global warming by reducing greenhouse gas emissions. What is renewable energy? Energy is said to be renewable when it…
Read moreAt the origin of all the renewable energies that humanity exploits today, there are only two main sources: the Sun and the Earth. However, specialists like to classify these energies into five main types, each with its own specific characteristics….
Read moreThe nuclear accident in Fukushima is rekindling the debate on alternative energy sources. The European Union wants 20% of its energy to come from renewable sources by 2020 – up from the current 9%. On 22 March members of the…
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