Techniques such as more trees and porous pavement can reduce runoff that fouls the city's waterways.
The new prisons minister, appointed in the wake of a deadly riot at El Rodeo prison outside Caracas, says that she will let 20,000 nonviolent criminals go.
Force has not quelled Nigeria's Islamist group Boko Haram, which has claimed responsibility for many terror attacks in the north. Now Nigeria's government is offering talks.
China accused a Muslim separatist group that they say trained in Pakistan for a series of weekend attacks in Xinjiang. Locals counter that the violence is homegrown.
Protesters gathered outside the 2014 World Cup qualifying draw this weekend in Rio de Janeiro to demand that the soccer tournament stay free of corruption. They promised to keep up pressure as the event nears.
Tanks shelled the symbolic city of Hama Sunday morning, one day before the holy month of Ramadan begins. Analysts have predicted Ramadan would intensify protests against the regime of President Bashar al-Assad.
Three-quarters of Swedes belong to the country's official church, but only 15 percent believe in Jesus.