And where do you think the money will come from? Anyone who has earned any sort of reasonable income, never mind the rich, will lose it. They would have us living in caves & mud huts with camp fires our only form of heat n light.
They've stated they'd put a small tax on international financial transactions. They'd also go after tax dodgers and close loopholes for multimillionaires. They also keep the top rate of income tax at 50% for those earning over £150,000 per annum (i.e. those people who are extremely comfortable thanks very much).
It's basically the Nordic economic model. The one that sees Sweden and Norway with top class public services that put ours to shame whilst maintaining internationally successful businesses such as mobile phone companies, pharmaceuticals, not forgetting good old Ikea.
Personally I'm not very interested climate change, I think it's wildly exaggerated, but on their overall view of society the Greens have a lot of good ideas.