Mereka berusaha menyelesaikan perbedaan pendapat mengenai ringkasan 21-halaman untuk pembuat kebijakan guna memungkinkan disiarkannya kesimpulan mereka pukul 08:00 GMT (15:00 WIB).
The talks, which began on Monday, are to review and approve a report warning that climate change could lead to lower crop yields in Africa, a thaw of Himalayan glaciers and a rise in ocean levels that could last for centuries.