Efforts by MNOs to stem rising carbon emissions generated directly or indirectly by their networks have yet to work, as the total rose by 2% in 2021, according to the GSMA in its 2022 Mobile Net Zero Report, the second such document it has produced. The GSMA has trumpeted this as a success in the face of double-digit growth in data traffic over that year, but that argument will not wash for much longer, given the expectation and commitment for net zero from telcos, in some cases within little more than a few years. Data volumes constantly increase with 5G accelerating that trend and a rise in traffic does not necessarily equate to higher levels of usage in terms…