Climate negotiations are entering their final stages at the COP 21 in Paris.
Delegations at the UN-sponsored talks worked through the night into Thursday.
They are narrowing down options in a 29-page draft of a global accord to tackle climate change.
The first draft on Wednesday left major issues unresolved.
France wants a final deal by Friday night.
LaurentFabius</a> "Cependant il reste des points politiques importants en cours de discussion" <a href="https://twitter.com/hashtag/COP21?src=hash">#COP21</a></p>— COP21 - Paris 2015 (COP21) December 9, 2015
COP president, Laurent Fabius says there is still significant disagreement over national differentiation, finance and long-term aims.
There are complaints from rich and poor nations alike.
World leaders told to wake up
Oxfam</a> protest demands global leaders to act on <a href="https://twitter.com/hashtag/climatechange?src=hash">#climatechange</a> <a href="https://twitter.com/POTUS">POTUS
narendramodi</a> <a href="https://twitter.com/hashtag/COP21?src=hash">#COP21</a> <a href="https://twitter.com/hashtag/UNFCCC?src=hash">#UNFCCC</a> <a href="https://t.co/6pJnBHpyr5">pic.twitter.com/6pJnBHpyr5</a></p>— Vidya Nair (vidyaanairr) December 10, 2015
The charity Oxfam staged this protest outside.
They are urging world leaders to wake up and recognise the climate chaos that will that will result if they fail to agree a global deal.