Sweden’s Telia has boosted its efforts to tackle the most significant sustainability goal – Scope 3 emissions – and other European telcos have opened up about the extent of their supply chain emissions. This is all welcome news, given the vague sustainability commitments from many mobile network operators. The project of meeting net zero goals for any large corporation could be likened to climbing Mount Everest – you start the project with some enjoyable hiking and hill-training, but eventually you will have to put on an oxygen mask and attempt the great unknown. The first stages of the exercise are manageable, that is reducing emissions within the Scope 1 and 2 range, but by far the greatest portion of the…