It's always been hot in the Persian Gulf region. But a new report finds that without action to limit climate change, the combination of rising temperatures and humidity will often push much of the region beyond the limits of human adaptability.
Among those killed in the crush of the Hajj crowd in Mina, Saudi Arabia, last week was a woman beloved in Nigeria and beyond. Hajiya Bilkisu Yusuf, a pioneering journalist and activist, broke down barriers in a patriarchal society.
Hundreds of pilgrims died in a stampede in Mecca on Thursday, during the annual Hajj pilgrimage. It's not the first tragedy on the Hajj. How do people prepare for the risks, and what lessons can be learned for the future?