and covering landfill sites is being announced at the cop26 climate conference in glasgow. the initiative, led by the us and eu, pledges to cut emissions of the gas by at least 30% by 2030. china, russia and india, some of the world's top methane emitters, have not signed up. some of the big emitters need to join the pledge. 50 china, russia, for example. if we are going to achieve those big reductions that we need, then they need to come on board as well. the loss of forests around the world, estimated to be responsible for about 15% of greenhouse gas emissions, has been the subject of this crucial climate summit�*s first major deal. countries who signed the agreement, including brazil, russia, china and indonesia, represented 85% of china and indonesia, represent 85% of the world's forests. the pledge, and the £15 billion behind it, has been broadly welcomed. but deforestation has actually increased since a similar pledge was launched in 2014, and it is not yet clear exactly how those who cut down forests to make