Critics say Beijing's campaign for 'new modern Socialist Tibet' is just latest salvo in war on ethnic identity.
Tibetan Buddhist leader joins other Nobel laureates in calling for an end to violence against minority group in Myanmar.
Chinese scientists say Tibetan Plateau, the 'roof of the world,' may soon lose most of its glacier and permafrost, dramatically affecting Asia's water supply.
According to exile group, violence erupted after Chinese officials ordered Tibetans in Driru to raise Chinese national flags on their houses.
