Mail: Taxes to pay for contentious climate change policies are set to treble over the next decade, soaring to more than £16billion a year. The hike is the equivalent of 4p on the current rate of income tax, a report from think tank Policy Exchange claimed. By 2020 the tax take from green levies will be roughly equivalent to total public spending in England on both the police and fire services, the figures show. Householders will pay £4.3billion in taxes on their energy bills …