Business Mirror: It has already started. People are literally living on the edge, communities in coastal areas are already adapting and people are forced to leave their homes, with more than 200 million more expected to follow as evidence of climate change mounts. This scenario is already happening in the Philippines. In the decades to come, Asia, home to more than half the world’s 6.3 billion people, will lurch from one climate extreme to another. Extreme weather caused by global warming has already …