Smokey Mountain was once Manila's mountain of trash. Now it could become a 100-megawatt power plant. But residents and environmentalists are protesting against it. Why? Watch Rappler's documentary on October 4, only on YouTube. - facebook.com. Smokey Mountain was once Manila's mountain of trash. Now it could become a 100-megawatt power plant. But residents and environmentalists are protesting against it. Why? Watch Rappler's documentary on October 4, only on YouTube. facebook.com.