With that, we are concluding our live coverage of the UN climate summit here in the northern suburbs of Paris.

Thank you for reading and watching developments with us over the past two weeks.

As the summit concludes, you can read this blog post by BBC environment correspondent Matt McGrath: Has history been made at COP21?

And if you're in the UK, tune into the News at Ten on BBC One to see a report on the climate deal from our science editor David Shukman.

But from the media centre here in the conference centre - goodbye.

...particularly compared to the minutes before the plenary started.

This just in - well, an hour or two ago - from the International Space Station:

And back on Earth, in the plenary hall at Le Bourget, the youth representative of the Marshall Islands Selina Leem spoke passionately about the importance of the Paris deal for her country:

Speaking to science correspondent Rebecca Morelle on BBC World News, the chair of the Least Developed Countries bloc Giza Gaspar-Martins had this to say:

Laurent Fabius, thanking yet another delegate for their contribution, said he had 40 more speakers on his list and asked them to be brief.

He suggested three minutes each would make a good goal.

"The best mathematicians among us can do 40 times three," he said, "which makes two hours."

Any longer and the meeting would risk running past midnight, local time - leaving future historians a dilemma as to whether they place the Paris deal on 12 or 13 December.

Image source, Reuters

Mr. Xie Zhenhua, China’s special envoy to COP21 and head of the Chinese delegation told BBC News that the Paris agreement is a major step forward in global efforts to curb climate change.

Mr Xie said that the Paris agreement will change the way of life for people of all countries.

When asked about about the "areas of improvement" in the Paris agreement that he mentioned in his plenary speech, Mr Xie said that, for example, developed countries need to make further efforts to help support developing countries financially.

Jonathan Webb
Science reporter, BBC News

From the moment the gavel was brought down by Mr Fabius, the horde of journalists here at COP21 had been warned we would have six hours to vacate the premises.

That means we have four hours left.

In that time there are TV news broadcasts, online stories and radio packages still to be wrapped up. But the journalists aren't the only ones working feverishly.

Above the BBC's small office and studio - a second home to some of our team for the entire fortnight - there used to be a sleeping area.

Now there are the crashes and rumbles of enthusiastic furniture moving, rather than gentle footsteps and snores.

Meanwhile on screens all around us - and in the huge plenary hall a brisk five-minute walk away - French President Francois Hollande just finished speaking.

All the speakers now are interrupted regularly by bursts of cheers and applause; a relieved and exhausted UN climate chief Christiana Figueres faces a standing ovation.

This deal will need a lot more commitment from a great many corners if it is to succeed and cap global warming. Everyone here acknowledges that.

But Le Bourget is bathed in such a strange, exuberant atmosphere right now that we all feel we have witnessed a big moment for the world.

The UN Secretary-General Ban Ki-moon said today would be a significant day for historians of the future to look back on:

US Secretary of State John Kerry warmly praised the French presidency of COP21 and said the deal was a victory for the planet:

The oil-rich nation of Venezuela has often been reluctant to support strong action in climate talks just like these.

Today's agreement, however, drew full-voiced support from the country's lead negotiator Claudia Salerno.

By contrast, in 2009 Ms Salerno famously raised a bloodied hand to the Copenhagen summit, COP15.

Tonight she paid tribute to the role of women in making the deal - and said the day's events had "once again filled Paris with light and hope".

Roger Harrabin
BBC environment analyst

Reactions from outside the conference site here in Paris are also flowing in.

Benny Peiser from the climate contrarian group GWPF denounced today's deal as toothless.

"The deal is further proof, if any was needed, that the developing world will not agree to any legally binding caps, never mind reductions of their CO2 emissions,” he said.

“As seasoned observers predicted, the deal is based on a voluntary basis which allows nations to set their own voluntary CO2 targets and policies without any legally binding caps or international oversight.”

Paul Polman, the CEO of consumer giant Unilever, had a different view.

He said: “The result in Paris is an unequivocal signal to the business and financial communities, one that will drive real change in the real economy.

“The billions of dollars pledged by developed countries will be matched with the trillions of dollars that will flow to low carbon investment.”

Carolyn Fairbairn, CBI Director-General, agreed:

"The Paris deal heralds an exciting opportunity for business. We now have a climate deal agreed by the world's leaders that puts us on a sustainable low-carbon path and which can provide the framework for business to invest with confidence. 

"While the UK is making its voice heard at global talks, more needs to be done at home. The Government must provide a stable environment that enables investment in cleaner, more affordable and more secure energy generation."

In a statement, the chairman of the Least Developed Countries group Mr Giza Gaspar said:

The environment minister of St Lucia, James Fletcher, wholeheartedly praised the way COP21 was conducted.

Mr Fletcher added that he was looking forward to going home after two weeks "in the beautiful city of Paris, of which I've unfortunately seen very little".

Applauding the deal on Twitter, the Prime Minister of the UK returned to the theme he used in his address to the conference two weeks ago, among nearly 200 other heads of state and government.

The environment minister of Morocco, Hakima el Haite, said she was emotional to be addressing the room at this time, and looking forward to hosting the Conference of the Parties (COP) next year.

Image source, UNFCCC

David Shukman
Science editor, BBC News

So they made it. The lack of sleep, the fears of failure, the painful hours of restless shuttling between meeting rooms all paid off.

Skilled diplomatic footwork by the French crafted and recrafted a text that eventually gave enough people enough of what they were after.

It came down to haggling over individual words, each of which carried huge meaning.

The applause was tumultuous. And the hugs and cheers were spirited and lasted for minutes. By the standards of climate negotiations, this is a far bigger deal than usual.

But – and there always is a ‘but’.

It did not take long for ministers to start casting ahead to how the agreement needs to be followed up.

South Africa warned that finance is still an issue and would be raised at the next big gathering, at COP22 in Morocco. Australia is warning about the challenges of implementing the deal.

As ever, it was hard to negotiate each clause; putting them into effect will be even harder.

The EU's climate commissioner Miguel Arias Canete pledged the European Union's support for the agreement and said its commitments would increase in the future, including support for developing countries.

After tonight's celebrations, he said, the real work would begin:

The world must see "tangible progress" before next year's COP22 summit in Morocco, Mr Canete concluded.

"That is what the world expects from us."

The deal has been formally adopted - there is no going back - but countries and blocs are still able to voice their concerns.

Representing Nicaragua and the "Alba" bloc of Central and South American countries, Paul Oquist did just that.

"We want to explain now why we are not able to support the consensus," he said.

Mr Oquist and his colleagues have particular reservations about the level of commitment made by all the individual countries in their pledges.

These "INDCs", he explained, will not restrict average temperature rises to 2C, let alone 1.5C - so much more rapid action is required than is presently on the table.

Image source, UNFCCC

Representing the "umbrella group" of developed countries, Australia's Foreign Minister Julie Bishop said that although, as expected, no country would see this deal as the perfect solution, "No country will step back."