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SYEE: Symposium Energy and Extraterrestrial Influences on the Climate

SYEE 1: Symposium: Energy an Extraterrestrial Influences on the Climate

SYEE 1.4: Hauptvortrag

Dienstag, 27. März 2007, 12:15–13:00, H46

Climate Change and the Role of Photovoltaics in the Energy Mix — •Eicke R. Weber — Fraunhofer-Institut für Solare Energiesysteme ISE, Heidenhofstr.2, D-79110 Freiburg

The greatest challenge for humankind in the coming decades is likely the threat of catastrophic climate change. The biggest danger is not just the threat of increasing global temperatures and rising sea levels but the possibility that the emission of gases like CO₂ changes the earth climate irreversibly and essentially ends the Holocene, the period of extraordinary temperature stability that we enjoyed in the last ca. 12.000 years. The only hope seems to be a drastic reduction of the emission of those climate altering gases and this requires a distinct change in the global energy mix. Solar energy - including especially PV energy - will have to play an important role. This presentation will conclude with a discussion of PV technologies that appear to be most promising towards this goal.