Agence France-Presse: The organisers of the COP21 climate conference starting in Paris in a month's time are faced with an unenviable task as they prepare for an event that it is hoped will produce a new roadmap to stop the Earth warming.
They must welcome tens of thousands of participants to a site near the French capital, house them, feed and transport them, and do so in the greenest conditions possible, with the world's media dissecting every aspect of the event's organisation.
With US President Barack Obama...