Gulf state’s motive questioned as it remains one of the world’s largest emitters of greenhouse gases.
Qatar emits more carbon dioxide per person than any other country in the world – nearly 50 tons a year for each of its residents.
So the decision for it to host this year’s United Nations climate change conference has caused a stir.
The talks officially begin in Doha on Monday.
Al Jazeera’s Tarek Bazley reports from Doha.