in addition, most big uk firms and financial institutions will be forced to show how they intend to hit climate change targets. but green groups say the proposals do not go far enough. here s our science and environment correspondent, victoria gill. cautious optimism that was how borisjohnson summed up the mood as world leaders concluded their two day meeting at cop 26. the negotiations, though, will continue here. there have already been a flurry of early deals on reversing deforestation, cutting methane emissions and cleaning up steel production, and financial incentives have been promised for new green technologies. despite the optimism, presidentjoe biden criticised the leaders of both china and russia for not turning up. the fact that china, trying to assert, understandably, a new role in the world as a world leader, not showing up? come on. today it s set to be all about the money.