A major and historic decision was taken at the Copenhagen Summit.

We are weeks away from the Copenhagen Summit, the biggest challenge of all.

As the recent Copenhagen Summit showed, the will of politicians on its own cannot change much.

Seen in this light, it is good to see that the Copenhagen Summit has failed.

They are now approaching the final examination at the Copenhagen Summit.

Climate change is a global political priority at the Copenhagen Summit.

For the last month, 'failure' has been the word most used to describe the Copenhagen Summit.

Can the much anticipated Copenhagen summit succeed in brokering a new deal on climate change?

My worst political moment was not getting the deal I wanted at the Copenhagen Summit.

The Copenhagen summit was a very particular moment in the life of the European Union.

Mr President, ahead of the Copenhagen summit we had very high expectations.

The next challenge for the Guardian is to report effectively on the upcoming Copenhagen summit.

A stalemate in the Copenhagen summit is a bad signal to climate change deniers.

It would be arrogance to attempt to sum up the Copenhagen Summit in two minutes.

The Copenhagen Summit revealed the new international scenario that surrounds us.

A campaign for a 1.5C target by some developing countries was one of the factors that nearly wrecked the Copenhagen summit.

I shall now return to the Copenhagen Summit.

Denmark's success at the Copenhagen Summit would then merely be the calm before the storm.

The Copenhagen Summit provides us with an opportunity.

Can we expect this game of cat and mouse that is currently going on between the countries involved in the Copenhagen Summit to stop?

Meanwhile, the press in Europe is full of information saying that the Copenhagen Summit will not be a success.

The Copenhagen Summit was a disappointment in many respects.

Copenhagen summit: 'First step' to a new order - or a 'betrayal of our grandchildren'

But one year on from the Copenhagen Summit, not even her dark imagination could have predicted the bleak situation the world now faces.

How is the Copenhagen Summit shaping up in terms of the main point on the agenda - enlargement?