With net zero a key plank of the new government’s agenda, what can we expect on environmental taxes in the Budget? Asks Sharon Baynham We have a £22bn black hole in the public finances. Who knew! Well, anyone who dared to look according to the Institute for Fiscal Studies. The blame game has already started and recollections are sure to differ. But the bottom line is we can now expect a tax squeeze in the Chancellor’s first Budget on 30 October. A ‘summer of speculation’ is upon us that is,…