Melting caps Nowhere is global warming felt more acutely than in the Himalayas, where ice and snow are retreating. By SAM TAYLOR STANDING in the Himalayan valley of Langtang, Rinjin Dorje Lama remembers where he used to play as a child in the 1960s. "When I was a kid, it was a lot longer," said Lama, pointing at the Lirung glacier surrounded by snowy peaks on Nepal's northern border with Tibet. "We used to play on the, glacier, and it came right down to the monastery, but now it's about 2km further back." Temperatures in the Himalayas are rising by around 0.06~C annually, according to a long-term study by the Nepalese department of hydrology. The rate is far above the global average given last year by United Nations scientists, who said surface temperatures have risen by a total of 0.74C...