regina paz "gina" la'o lópez (december 27, 1953 – august 19, 2019) was a filipino environmentalist, politician and philanthropist. she was secretary of the philippines' department of environment and natural resources (denr) under president rodrigo duterte from june 2016 through may 2017. she was the chairperson of the pasig river rehabilitation commission from august 2010 until her death in august 2019 during the benigno aquino iii and duterte presidencies. lopez was born in manila.