23.
Option 1
Supported and enabled by technology, financing and capacity-building from developed country Parties, the GHG emissions of [developing country Parties][Parties not included in Annex I to the Convention (non-Annex I Parties)], as a group, [should] [could] realistically change their emission patterns by :
(a) [Significantly deviating from the baseline by 2020] [Deviating in the order of 15-30 per cent below the baseline by 2020];
(b) And reducing by 25 per cent from 2000 levels by 2050.
Option 2
Developing country Parties as a group, in particular the most advanced among them, shall achieve a substantial and quantifiable deviation in the order of 15-30 per cent below business as usual levels by 2020, respecting the principle of common but differentiated responsibilities and respective capabilities, supported and enabled by technology, financing and capacitybuilding.
