<Li> Canal 5 in Mexico halted transmission for one hour in Mexico City at 20: 30 . </Li> <Li> Philippine network ABS - CBN turned off the lights in their studio from 20: 30 to 21: 30 . <Ul> <Li> Naga City internet radio stations Zone105 and XFM Naga went offline at 20: 30 . </Li> </Ul> </Li> <Ul> <Li> Naga City internet radio stations Zone105 and XFM Naga went offline at 20: 30 . </Li> </Ul> <Li> Naga City internet radio stations Zone105 and XFM Naga went offline at 20: 30 . </Li>

Who among the following proposed the concept of earth hour