LEGARDA KEYNOTES OPENING OF 2012 NATIONAL SCIENCE AND TECHNOLOGY WEEK: Senator Loren Legarda is welcomed by Department of Science and Technology (DOST) Secretary Mario Montejo (right) and Department of Agriculture (DA) Secretary Proceso Alcala during the Opening Ceremonies of the 2012 National Science and Technology Week at the SMX Convention Center in Pasay City. Legarda, Chair of the Senate Committee on Climate Change, was the keynote speaker at the event where she stressed the vital role of science, technology, and innovation in facing the challenges of development and growth.