When enormous windmills began appearing on a desolate stretch of the northern Philippines coast, locals were overjoyed rather than alarmed. The steel contraptions, standing 23 storeys high, were unlike anything impoverished families from Bangui Bay had ever seen. But they were enthusiastic nevertheless. The 15 "giant electric fans" were bringing electricity to their homes for the first time. "It was a joy to watch them being built," said 72 year-old Rosita Ridun, whose family earns less than two dollars a day collecting pebbles on Bangui beach for sale to construction companies. "My grandchildren described them as giant electric fans." Standing...