Donor countries are facing a daunting challenge this week as they gather for a conference that hopes to deliver more than three billion dollars to rebuild Haiti.
South Korean resumed the hunt for 46 sailors still missing after a warship sank in choppy waters near the border with North Korea following a still-unexplained explosion.
Former premier Iyad Allawi was to begin talks to form a government after his bloc edged out incumbent PM Nuri al-Maliki's coalition in declared results from Iraq's election.
The planet is overheated, under-resourced, and almost out of time, but technical innovation and green economics could still save the day, experts and leaders said.
World-famous landmarks including the Pyramids, the Eiffel Tower and Beijing's Forbidden City will go dark Saturday as millions turn out the lights for "Earth Hour".