Dozens of people dressed in black went on a “funeral march” up a steep Swiss mountainside on Sunday to mark the disappearance of an Alpine glacier amid growing global alarm over climate change.The Pizol “has lost so much substance that from a scientific perspective it is no longer a glacier,” Alessandra Degiacomi, of the Swiss Association for Climate Protection, told AFP ahead of the event.Sunday’s climb took place as the U.N. gathered youth activists and world leaders in New York to mull the action needed to curb global warming.The solemn two-hour “funeral march” led up the side of Pizol mountain in northeastern Switzerland to the foot of the steep and rapidly melting ice formation, situated at an altitude of around 2,700 meters (8,850 feet) near the Liechtenstein and Austrian borders.Upon arrival, a chaplain and several scientists were to give sombre speeches in remembrance of the glacier, accompanied by the mournful …