So far, energy and climate policies have been rather unsuccessful in reversing climate change. In order to avoid negative effects, like danger of food security or water supply, it is essential to drastically cut down on global GHG emissions.
In his keynote speech, Prof Felix Ekardt
argues to focus on societal changes rather than on new technologies. In his opinion, technical solutions are overestimated; e.g. renewable energies are not enough to stop climate change.