reporter: berta caceres faces constant death threats. she and her family are members of the indigenous lenca community in honduras. they live along a river which is sacred to their people. in 2006, work began here to build a hydroelectric dam. it would have cut off the water supply to the lenca community and the land they live off. caceres organized peaceful protests. security forces turned out in force. the dam had wealthy international investors and the government was determined to push ahead. the protesters refused to be intimidated. they set up roadblocks to stop the work proceeding. some were detained and tortured. finally, one community leader was shot and killed. only then did some of the international funders pull out signaling the end of the dam. a victory for berta caceres, but one that came at a high price. she is one of today's recipients for the goldman prize. another is phyllis omido halfway around the world in kenya. when her son was just a baby she discovered that her own breast milk was making him sick. the reason -- lea