The six month rainy season gives time for Sudan and South Sudan to make progress in resolving differences. But the wet weather will strain the sanitation systems in refugee camps.
South Sudan and Sudan appeared to make progress in their latest talks in Addis Ababa, despite heightened regional tensions, writes guest blogger Amanda Hsiao.
Violence in towns along Sudan's north-south border has prompted a flurry of accusations that are setting a poor stage for the country to peacefully split this summer.
South Sudan's charges that Khartoum is arming rebel movements to destabilize the future independent country could further strain between the historic rivals.
South Sudan was racked with violence last week as a renegade militia group – supported by northern Sudan, some say – clashed with the South Sudanese army, leaving more than 200 dead.
Although some results from South Sudan's referendum still need to be made official, Sudanese and international observers are beginning to look ahead to what comes with independence.
A vote for secession is all but certain in the independence referendum that begins Sunday. South Sudan is anticipating independence and a chance to build its own country.
The South Sudan referendum scheduled for January could be delayed because important issues between South Sudan and the Sudanese government remain unresolved.
Thousands gathered today at the grave of Sudan leader John Garang de Mabior, who was killed July 30, 2005, after signing a peace deal between North and South. Would Sudan still be divided if the tenacious rebel was still alive?