But Bhutan and Nepal do not have the technical and financial means to study the impact of climate change on their countries.

"Bhutan did not contribute to global warming, and yet we have to suffer the consequences today", he says.

I wish to express congratulations on the opening of the summit and thanks to the government of the Kingdom of Bhutan for the thoughtful arrangements.

Landlocked in the eastern Himalayas, the tiny country of Bhutan seems almost untouched by globalisation.

A guide, and likely a separate driver, come as standard in Bhutan. Independent travel is forbidden.