Manilla Times: THE Philippines is vulnerable to the quadruple-whammy effects of global warming. These are rising sea levels, floods spawned by killer typhoons, dwindling water supplies induced by droughts and shriveling food supplies from parched farmlands. The melting of the Greenland ice caps could cause sea level to rise up to 7 meters, equivalent to the height of three adult Filipinos. Small islands like Guimaras would get submerged, and low level areas like Malabon, Navotas and Manila …