Temperatures in rugged Tibet have hit record highs in recent days, China's state press has reported, as a scientific survey warned of the impact of global warming in the Himalayan region. Friday's temperature in the Qamdo area of eastern Tibet was 21.8 degrees Celsius (71 degrees Fahrenheit), 1.7 degrees higher than the previous record set for the same day in 1996, Xinhua news agency reported. In Dengqen county, also in eastern Tibet, the mercury reached 16.6 degrees Celsius on Thursday, 2.5 degrees higher than the previous record for the same day set in 2001, it said. Eight other places across...