Global leaders are gathering in New York on Sunday for a "Summit of the Future" aimed at addressing 21st-century challenges ranging from conflict to climate, amid skepticism over whether the final pact will meet its lofty goals.

Secretary-General Antonio Guterres, who organized the "Summit of the Future," had billed it as a "once-in-a-generation opportunity" to reshape human history by rekindling international cooperation

Members adopt blueprint for future to tackle wars, environmental threats and technological challenges facing humanity.

With doubts over whether the final pact can satisfy its ambitious objectives, world leaders are assembling in New York on Sunday for a Summit of the Future designed to address 21st-century

UN members adopted a blueprint for the future Sunday to tackle the myriad wars, environmental threats and technological challenges facing humanity that was hailed by the organization as "groundbreaking" but panned by critics as unambitious.