200801001_4.jpgDr. Jerome Lewis, a British anthropologist from University College London, has fought side by side with the Baka Pygmies against the dispossession of their land and culture for 20 years. When political will failed, Dr. Lewis turned to the modern world for answers; his new defense – a Global Positioning System receiver. Who would have thought that a handheld GPS receiver is bound to play a vital role in environmental conservation?