Shell boss vows to take Jackdaw gasfield battle to UK's highest court / Shell wins appeal against order to cut greenhouse gas emissions / Shell wins appeal against landmark climate ruling to cut emissions / Shell is delivering on promise of 'consistent' returns, says chief / Strong oil and gas prices boost Shell's earnings as share buyout planned / Shell quietly backs away from pledge to increase 'advanced recycling' of plastics / Shell expects to eat $1 billion over its biofuels pivot / Shell vote highlights asset managers' climate divide / Shell sold millions of carbon credits for carbon that was never captured, report finds / 'Hidden subsidy' made Shell carbon capture project appear profitable