The UK could cut its emissions to zero tomorrow and it would make not the slightest difference to the climate. In fact, all of man's emissions could be cut similarly and it would make very little difference.
There is not a hope in hell of the likes of China and India of doing much to cut their outputs. China has in train coal-fired power plants of 250Gw. This increase (the increase, not the resulting total) exceeds the entire coal fired output of the USA and is about seven times the UK's entire generating capacity.
Meanwhile we have politicians and sportspeople jetting all over the world. The "president" of the COP26 jamboree due to take place in Glasgow has, alone, racked up over 200,000 air miles in the last six months so that he could glad rag and shake hands with the world's great and good. They in turn will, together with their lackeys, be jetting into Scotland in their droves, telling us all to turn our lights off, buy a battery car and drill a hole in the ground to get a bit of heat.
The recent wildfires are manna from heaven for the Climate zealots. However, nobody has explained how a bit of warm weather sets fire to trees. When Mr Sharma persuades all his mates to meet him on Zoom (the same as everybody else has done for the last eighteen months) I'll have a think about ditching my petrol car. Meanwhile I'll follow his example and jet off for "essential" R&R whenever I can.