Foreign investors, with the World Bank, are acquiring vast tracks of land in Africa - at the expense of local farmers.
30 Jun 2011 11:38 GMT | Environment, Business & Economy, US & Canada, France, Liberia
A teacher struggles to help young people caught in a vicious cycle of drugs and violence in Mexico's Guerrero state.
Latin America, Mexico, Education
Al Jazeera investigates the shocking truth behind a deadly Israeli attack on a US naval vessel.
Israel, Politics, United States
TechKnow looks at the controversy surrounding psychedelic science and asks if a party drug can help cure trauma.
Health, PTSD, Drugs
Hungary's foreign minister defends the country's refugee policy and challenges Europe's "political correctness".
Refugees, Politics, Europe