Copenhagen has begun.

The much anticipated United Nations Climate Change negotiations have begun in the Danish capital of Copenhagen. It's two weeks to go and it's crunch time for a binding global climate deal.

The Bella Centre is a hive of activity, as 192 countries converge to agree a global deal on climate change. The formal sessions begun this morning, with an opening plenary at 10am, local time. Outside the negotiations hall, demonstrators, NGOs and others are also gathering, pressing on the urgency of a global deal.

Today's highlights: the world's spotlight focuses on Copenhagen

The UK continues to push for a global deal that's ambitious, effective and fair. Back the bid and help us secure this 2 degree deal.

Highlights so far from today:

• Hopes rise as Obama and Singh commit to attend final day of talks
  Hopes of a global deal on climate change were further raised after Barack Obama and Manmohan Singh announced they would attend the final negotiating stages.

• PM: 'I will do everything in my power to succeed': PM
  The PM reflects 'Sometimes history comes to turning points. For all our sakes, the turning point of 2009 must be real.' See also videos from Friday's Youth Q&A at the Natural History Museum

• Media urge governments to make Copenhagen a success
  Britain's leading newspapers used their final leader columns to urge the world’s governments to make the meeting a success.

• Tearfund: Copenhagen is our 'best chance'
  The Copenhagen is an 'historic and unprecedented moment' in the fight against global warming, Paul Cook, Advocacy Director of Tearfund tells this website.

• Act on Copenhagen bloggers: Amy Mount
  Amy Mount blogs on the youth perspectives of the Copenhagen climate negotiations, which begin in Copenhagen today.

• Climate Science: Fact.
  Discussing Copenhagen with family, friends or in the pub? Ten facts you should know on climate change

• UK's Pay as You Save scheme
  Hundreds of homeowners across the country are being offered the chance to install energy saving technologies at no upfront cost.

• Foreign Ministers from around the world call for global action at Copenhagen
  Just before the start of the UN Conference on Climate Change in Copenhagen, Foreign Ministers have agreed to strengthen their commitments.

• Wave march
  Tens of thousands of people joined a climate change march in central London calling for world leaders to agree a deal to halt climate change.

• South African targets for reducing the growth in carbon emissions.
  South Africa has become the latest emerging economy to set out targets for reducing the growth in carbon emissions.

• Stern: World only a 'few billion tonnes' short of climate target
  The offers that countries have already made to reduce their carbon emissions are only a 'few billion tonnes' short of the total cuts needed.