Eradicating world hunger has been declared one of the priorities for the 21st century. According to the UN,1.2 billion people will not get enough to eat this year -- the highest number since 1970. While the global economic crisis has made the problem worse,inaction by political leaders is also very much to blame. That's not the case in Belo Horizonte,however.The Brazilian city's Zero-Hunger program has demonstrated how hunger can effectively be ended.