Energy TransitionG7 unveils controversial 'hydrogen action pact' to tackle climate crisis and Russian gas relianceRichest nations pledge support for blue H2 and hydrogen use in natural gas infrastructure and thermal power plantsUK cabinet minister and COP26 president Alok Sharma speaks with German economics and climate minister Robert Habeck speaking at the G7 meeting of climate, energy and environment ministers in Berlin on Friday.AFP/Getty/AFP via Getty Images/AFP via Getty Images/NTB scanpixRachel Parkes