The Convention on Biological Diversity (CBD) meeting saw intense diplomacy in its final hours as delegates tried to iron out remaining differences.
The Japanese hosts in particular have been desperate for a successful end.
Western nations appear to have given ground on the thorniest issue - sharing of natural genetic resources.
It is not yet clear how - or even if - resolution has been reached on other outstanding points, such as how much of the Earth's lands and oceans should be placed under protection. Read the full report here.
Source: by Richard Black, Environment correspondent, BBC News, Nagoya.