German manufacturing giant Thyssenkrupp has completed a successful, first-of-its-kind demonstration of running a steel furnace completely on hydrogen, a development that is likely to further dent the future prospects for the global coal industry.

An estimated €231 billion is spent annually on energy efficiency (EE) investments - but tapping the full potential of EE will require at least four times as much investment. This finance gap is slowing down the energy transition we need.