Of nearly 250 million children engaged in child labor around the world, the vast majority - 70 percent, or some 170 million - are working in agriculture...Their work is grueling and harsh, and violates their rights to health, education, and protection from work that is hazardous or exploitative...In investigations in Egypt, Ecuador, India, and the United States, Human Rights Watch has found that the children working in agriculture are endangered and exploited on a daily basis.