Boris Johnson has pledged to give details of how UK will meet its climate targets before Cop26
The German government is backing an extension of EU carbon pricing that will end free carbon permits for airlines, putting pressure on the UK to put in place a similar package to meet climate targets.
The European Commission will propose a dozen climate policies on 14 July, each designed to slash greenhouse gases faster in line with an EU goal to cut net emissions by 55% by 2030 from 1990 levels.