year s six nations championship. he needs shoulder surgery after going off during last weekend s defeat against new zealand. wales face south africa on saturday and ellis jenkins will make his first appearance in three years. the cardiff flanker is one of six changes from the 54 16 defeat to the all blacks. full details of all the teams are on the bbc sport website. all this week, bbc sport have been reporting from cop26, the glasgow climate summit, about the role sport is playing in tackling global warming. progress on big governmental issues can often take time but one area where speed is a priority is in electric motorsport, here s our sports correspondent katie gornall. it is day five of cop26, and already here in glasgow, we have seen some significant developments for sport and climate action. we have seen major organisations like the pamir leak and fifa make firm commits to cut their carbon emissions, we have seen fans getting engaged in new interesting ways, but today is all abo