Der Niedergang erneuerbarer Energien

PRAG – Viele Menschen glauben heute, dass erneuerbare Energien uns den kurzfristigen Ausstieg aus den fossilen Brennstoffen ermöglichen werden. Leider besagen die Fakten etwas anderes.

Laut Daten der Internationalen Energieagentur stammten 1971, dem ersten Jahr, in dem die IEA die weltweiten Statistiken bekanntgab, 13,12% der weltweiten Energie aus erneuerbaren Quellen. Im Jahr 2011 war der Anteil erneuerbarer Energien tatsächlich niedriger – er lag bei 12,99%. Trotzdem gehen laut einer neuen Studie die Menschen in Amerika davon aus, dass der Anteil erneuerbarer Energien 2035 bei 30,2% liegen wird. In Wahrheit dürften es 14,5% sein.

Solar- und Windenergie machen einen zu vernachlässigenden Anteil der aktuellen erneuerbaren Energien aus – etwa ein Drittel eines Prozentpunktes. Die große Mehrheit stammt aus Biomasse, d.h. Holz und Pflanzenmaterial – der ältesten Energiequelle der Menschheit. Biomasse ist zwar erneuerbar, aber häufig weder eine gute noch eine nachhaltige Energiequelle.

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