SM City San Mateo switches off half of its lights on Saturday in support of the annual Earth Hour global effort. In photo during the switch off ceremony (from left) are San Mateo Councilor Roger San Miguel, SM regional operations manager Dennis Martel, Rizal Gov. Rebecca Ynares, San Mateo Mayor Cristina Diaz, SM City San Mateo mall manager Lorna Paderon, and artists Ella Hipolito and Alberto Magsumbol. Manny Palmero