I’m sure it will be that easy…..

Negotiators at key UN climate talks in Paris that open next week are being told by the French government they must iron out their main differences six days before the end of the talks, according to the foreign minister, Laurent Fabius.

World leaders including Barack Obama, Xi Jinping, Angela Merkel and David Cameron are preparing to fly to the French capital to open the COP 21 negotiations, which begin on Monday and aim to produce an international deal to reduce carbon emissions that will kick in from 2020.

The highly unusual demand by the French hosts is a sign of their confidence that they believe a deal is within sight and that the huge diplomatic push they have made to ensure the talks succeed has not been knocked off course by the terrorist attacks two weeks ago.

But Fabius’s request to have the final version of the negotiating text signed off by next Saturday will be met with skepticism among some observers of the talks. Frequently, previous incarnations of the UN talks have finished one or even two days after deadline.

Fabius vowed in an interview to forge an agreement that would be “universal, legally binding, durable and dynamic”.

In the wake of the attacks, Fabius confirmed that security would be tightened around the conference centre, which is on the outskirts of Paris, near the airport where a planned attack was foiled and not far from the St-Denis district where the attacks were planned. There will be a total lockdown on the area of Paris surrounding the conference centre on Sunday afternoon, when many of the heads of state and government are expected to arrive, in time for the first official day of talks on Monday.

Fabius praised the climate activists who had agreed to call off their planned march through Paris as a result of the attacks. “I have to salute the responsibility of the organizations who would have liked to demonstrate but who understand that if they demonstrate in a public place there is a security risk, or even a risk of panic.”

He said: “The first week [of the fortnight-long talks] will be devoted to reducing the number of options in the text,” in which delegates have suggested multiple alternatives in wording on certain issues. “I will ask that by [next] Saturday midday the text will be transmitted to me, the president of the COP, and at that moment everyone will know where we are and the procedure to follow. Obviously, I hope a maximum number of options will have been lifted but I will have to take into account the situation at that moment.”