> Give the money you took for co2 back on the income tax, and people will spend it decarbonizing in an attempt to dodge the tax Even better, preempt this by fu

> Give the money you took for co2 back on the income tax, and people will spend it decarbonizing in an attempt to dodge the tax Even better, preempt this by funding decarbonising programmes first, with the threat of a tax in some fixed time period. People will decarbonise without the publicity hit of "new taxes".