• A new report from UNDP on how cash transfers in developing countries are helping win the fight against HIV.
  • In 2013, international migrants sent US$413 billion home to families and friends — three times more than the global total of foreign aid (about US$135 billion). Watch this recent TED talk with economist Dilip Ratha.
  • How text messaging is being used to combat Ebola.
  • The Guardian explains how infectious diseases and poverty are linked.
  • 'Smart cities' may be the way forward for India's megalopolises.
  • Last Friday was World Food Day. How well do you understand global hunger?  View the top 10 myths about hunger, take The Guardian's hunger test, and see how diets vary around the word. 
  • Around 1.2 billion people across the world have no access to modern energy. The World Bank has a new video on ending energy poverty: