Drax datacentre could create nearly twice the yearly emissions of all Gatwick flights
(www.theguardian.com)
They cut down trees (harming the environment), turn them into pulp (harming the environment), turn that into pellets (harming the environment), ship them half way round the world (harming the environment), burn them to generate power (harming the environment) and do it all to exploit a loophole in the green energy credit scheme and make extra money, taking it away from legitimate green energy operators (harming the environment).