Strong climate policies and electoral reform will be the price of Green Party support for any future government, the party's co-leaders have said.Co-leader Carla Denyer said the Greens would look to quadruple the party's total number of MPs from one to four.

Strong climate policies and electoral reform will be the price of Green Party support for any future government, the party's co-leaders have said.Co-leader Carla Denyer said the Greens would look to quadruple the party's total number of MPs from one to four.