PBS Newshour
Ug99, a fungal disease known as wheat rust, could destroy 80 percent of all known wheat varieties. Scientists in Kenya's Rift Valley are joining a global fight against it.
Gold-mining operations in remote regions of the Peruvian Amazon have stirred major environmental and health concerns over mercury contamination in fish, fish-eating wildlife and humans.
Fred de Sam Lazaro reports from the Dolo refugee camp on the border of Ethiopia and Somalia where Somali refugees have fled to escape al-Shabab violence and an increasingly deadly famine.
Illegal gold mining has become rampant in Peru. The government has tried to curb the practice by raiding mining operations, but so far this has had little impact.
The world is on the brink of a major population milestone. Fred de Sam Lazaro and Steve Sapienza report on how a growing population is impacting societies across the globe.
Brazilian women's changing roles in society have led to a dramatic decrease in the country's fertility rates.
Mongolia's rising temperatures and extreme weather conditions are impacting the livestock of the country's nomadic herders.
PBS Newshour speaks with Pulitzer Center journalist Rebecca Hamilton on the challenges the new nation of South Sudan, which declared independence on Saturday, July 9, will face in the future.
PBS Newshour's Hari Sreenivasan interviewed Stephanie Sinclair on her work surrounding the issue of child marriage.
PBS Newshour speaks to Rebecca Hamilton on its May 31 News Wrap. She speaks about North and South Sudan's agreement to set up a demilitarized border zone patrolled by both sides.
PBS NewsHour speaks with Rebecca Hamilton on Northern Sudan's warning to Southern Sudan to withdraw from the disputed border region of Abyei; the South refused.
In "Edge of Joy," filmmaker Dawn Shapiro goes inside a busy maternity ward in Nigeria, where maternal deaths are among the world's highest.
Special correspondent Steve Sapienza reports on an innovative approach for getting water to slum dwellers in Bangladesh.