Too many people is a big problem, but too few is a concern as well.
Jack Chibi has figured out how to profit from the foreign investment pouring into Zambia's copper-mining sector.
Typhoon Haiyan sparked renewed debate over how much food aid should be sourced locally.
Governments from Myanmar to Zambia are pushing for international aid organizations to work with local companies as they pour in billions in aid and investment.
Russians, Chinese, Brazilians, and others are traveling abroad as never before as the world's growing middle classes get itchy feet.
Many Europeans are finding ways to 'get away' despite the eurocrisis – but their tactics span the spectrum.
How a food fight could derail talks on a lucrative free-trade treaty.