India - Its population is exploding and development throughout the country is booming... but it's coming at a terrible price for India's most beloved creatures -- the elephant. Many are paying with their lives. But now, innovative solutions to the problem may help save these gentle giants. But first, Brazil's economy is growing at a staggering pace and its energy needs are skyrocketing. To meet growing demand, Brazil is harnessing hydroelectric energy and building dams, some among the largest in the world. But not everyone is happy about it. UN 21st Century travels to the heart of Brazil's Amazon region where tensions are running high.

India - Its population is exploding and development throughout the country is booming... but it's coming at a terrible price for India's most beloved creatures -- the elephant. Many are paying with their lives. But now, innovative solutions to the problem may help save these gentle giants. But first, Brazil's economy is growing at a staggering pace and its energy needs are skyrocketing. To meet growing demand, Brazil is harnessing hydroelectric energy and building dams, some among the largest in the world. But not everyone is happy about it. UN 21st Century travels to the heart of Brazil's Amazon region where tensions are running high.