In 2011, the state of Alabama passed one of the harshest anti-immigrant laws in U.S. history. Thomas Morton goes to Alabama to see what it would look like if undocumented workers just 'disappeared.' After a massive earthquake ravaged Haiti in 2010, the international community provided nearly $10 billion in aid. But where did all that money go?

Genetically modified seeds have been planted around the world and hailed as a solution to global hunger. But these crops have also sparked heated protest. Isobel Yeung traces the path of these super-crops. Tania Rashid goes to India to investigate how the country hasn't been able to provide adequate clean water and sanitation systems for its growing population.