JEDDAH: Custodian of the Two Holy Mosques King Abdullah will open the three-day first Saudi environment and sustainable development event being held at the Jeddah Hilton from March 7-9, according to its organizer Presidency of Meteorology and Environment (PME). Crown Prince Sultan, deputy premier and minister of defense and aviation and Prince Turki bin Nasser, president of the PME, are also supporting the event. With climate change on a worldwide agenda, a number of sponsors are supporting the event, including GEMS-Utileco, the National Commercial Bank, SAES-Enviro, CH2M Olayan, Philips Electronic, Haif Company AES International and Riyadh Techno Valley.