Australia’s climate future is again hanging in the balance. And, once more, it could all depend on a Labor government negotiating with the Greens. As it stands, they’re at loggerheads. The Greens want no new coal and gas developments to be approved; the government is accusing the Greens of being unrealistic. But should the Greens be expected to pass whatever Labor is proposing? And where’s the science in all of this?  Today, contributing editor of The Politics, Rachel Withers, on the impossible choice facing the Greens. Socials: Stay in touch with us on Twitter and Instagram Guest: Contributing editor of The Politics, Rachel Withers