Darfur conflict enters 'new' phase with use of non-Arab militias - report
Sudan's Darfur conflict now pits government-backed non-Arab militias against other non-Arabs, Small Arms Survey says
FACTBOX: Which countries give or get the most aid?
In 2011, international humanitarian assistance amounted to $17.1 billion, a drop of 9 percent from 2010, according to a new report
Protecting pastoralism a key means of climate adaptation - expert
Pastoralists are the "best of all people on the planet to respond to climate change" but need their land protected to continue to survive