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 of…