The city hosting the environmental meeting is facing its own neglected problems.
Climate change talks in Mexico seem to be heading nowhere, with a legally binding deal on reducing carbon emissions looking highly unlikely.
It’s disappointing news for scientists trying to save some of the world’s rarest flora and fauna.
Like this one: the dragon’s blood tree. It’s home is an isolated island.
Part of the Yemeni territory, Socotra is described as the most alien-looking place on earth.
Al Jazeera’s Hashem Ahelbarra explains why its indigenous species are now in danger of being wiped out.