SWAMPED:A rescue boat collects people stranded atop local buildings. ANDY NELSON - STAFF
Precious cargo: A photo essay
Monitor photographer Andy Nelson was in Slidell, La. after Katrina's waters flooded much of the town.
When Katrina's waters engulfed much of Slidell, La., late Monday, people who'd ridden out the hurricane there sought dry ground - taking only what mattered most with them.
What happens when ordinary people decide to pay it forward? Extraordinary change. See how individuals are making a difference, finding solutions, overcoming adversity, and giving back globally.
Jeremy Gilley, founder of the nonprofit Peace One Day, talks with students at Cambridge Rindge and Latin High School in Cambridge, Mass.