As the progress towards the Agreement that co-operators want from Copenhagen falters, speculation rises about the impact there will be when US President Barack Obama arrives.
The reality is, at present, that the US offer of emissions reductions is disappointing, amounting to only about 4% against 1990 levels by 2020.
This is clearly inadequate; It is less than the world needs, and it will not stimulate other countries into making their own ambitious reductions.
So, we hope that President Obama will step up to the plate in Copenhagen and that America will show that it can provide the right kind of responsible leadership.
See below for a draft of the speech that many people hope that Obama will make :-
What do you think ?