Mary says : A once in a lifetime chance to commit to sustainable development , stood by in Rio . Leaders failed to rise to the challenge of breaking ties with old ways of doing things , she says . More : Rio+20 summit must not ignore rapid population growth . Backsliding on reproductive rights is simply not acceptable , she says .
Mary says : A once in a lifetime chance to commit to sustainable development , stood by in Rio . Leaders failed to rise to the challenge of breaking ties with old ways of doing things , she says . Backsliding on reproductive rights is simply not acceptable , she says .