Reuters: Indigenous communities from around the world urged G8 rich nations on Friday to help them participate in global climate change talks, saying they contributed least to but are most affected by global warming. Clad in colorful traditional robes, 26 representatives from countries including the United States, Canada, and Japan, along with some 400 students, activists, and academics, met on Japan’s northern island of Hokkaido. The island is the venue of the July 7-9 Group of Eight …