Germany strives to reduce its greenhouse gas (GHG) emissions by at least 80% by 2050 compared to 1990 levels. In the underlying roadmap (Climate Action Plan 2050), natural gas is declared to be a bridge energy carrier into a carbon neutral era. But, since the roadmap only describes guiding...

Spätestens seit "Fridays for Future" ist das Thema "Klimawandel" als eines der dringlichsten Probleme unserer Zeit erkannt worden. Doch trotz eindeutiger Verpflichtungen zu den Zielen des Pariser Weltklimaabkommens sind wir weit davon entfernt, diese auch zu erreichen - warum? Ihre Argumente...

The paper first outlines the challenges the global energy system is facing. It then summarises the present knowledge of energy efficient solutions in all energy using sectors from primary energy to useful energy and, more importantly, from useful energy to energy services (material efficiency...