Four babies are born every second across the world. Many are born in abject poverty and many more will descend into poverty and startvation as the world's population explosion continues<br />The planet's 6 billion population is expanding with the biggest booms happening in less developed countries. In Africa the population has just exceeded 1 billion and thats set to double by the year 2050. Nigeria is the continents most populated country with 153 million people thats been predicted to rise to a whopping 285 in just 40 years time. Just who is to blame for not controlling - uncontrolled birth rates? And what's the impact on development in the continent? <br /><br />Inside Story, with presenter Sohail Rahman, discusses.<br /><br />Guests:<br /><br />-Nairobi: Alex Ezeh, Director of the African Population and Health Research Center.<br /><br />-London: Cameron Duodu, a writer on African affairs.<br /><br />-Washington DC: Mary Mederios Kent, a senior demographic editor at the Population Reference Bureau.