Fiji, Nov. 11 -- Tuvalu Prime Minister Feleti Teo told world leaders at the Second World Summit for Social Development that climate change poses the single greatest threat to his country's survival and must be addressed as a core issue of global social development.

"I am honoured to address this 2nd World Summit for Social Development as the Prime Minister of Tuvalu.

"This second global social summit is certainly long overdue," Teo said in his address in Doha, Qatar last week.

He said the world faces new and complex challenges since the first summit in 1995, driven by "the triple planetary crisis of pollution, climate change and biodiversity erosion."

"These social issues are further exacerbated by the persistent stresses on global pe...