Right now, the UN are holding important world climate talks in South Africa. That means it’s a crunch moment on climate change for the government that promised to be the ‘greenest ever’.

If thousands of us urge him to commit to a proper deal, we can make sure he knows that we expect him to make sure the UK doesn’t rip up the climate rulebook by refusing to join in with a deal.

Can you take 2 mins now to email Chris Huhne to ask him to sign the UK to international climate rules again? Click “get started” on the right.