UK primee minister says there is a 'long way to go' at news conference at the end of the G20 meeting in Rome and before Cop26 gets under way.
World leaders meeting at the G20 summit have agreed that countries must take meaningful action to keep the world from warming by no more than 1.5C above pre-industrial levels, but face criticism for offering few concrete commitments in order to reach the target.
Sunday’s final communique did not include a commitment to achieve net zero carbon emissions by 2050.
