Guardian: The Chinese government has been turned off this Saturday’s “Earth Hour” after officials realised the event falls on a newly created holiday to commemorate the ousting of the Dalai Lama from Tibet. Chinese journalists and student groups have been told to scale back their participation because images of cities and campuses turning dark do not fit the upbeat propaganda message that the authorities wanted to convey by declaring 28 March “Serf Liberation Day” in Tibet. The United …