But the problem is not what you think.
The majority were displaced by flooding from monsoons and typhoons in Asia.
A huge overnight storm trapped commuters, knocked out power and killed at least one person.
Hoboken could provide a perfect laboratory for aggressive efforts. Are state and federal governments ready to participate in the experiment?
Today's 100-year storm surge could be tomorrow's high tide.
Veritable rivers gushed down streets and into homes.
A broken water main unleashed a torrent.
The governor proposes using some of the money from the Sandy relief bill to buy out property owners in the hardest-hit coastal regions.
Clogged canals and aging infrastructure aren’t the only factors intensifying Jakarta’s perennial flood crises.
The country's survival depends on water management, and its political structures allow for decisive, speedy action.
One more sign it's time to rethink our planning for natural disasters.
More evidence that scientists know what they're talking about.
FEMA finally arrives to assess damage, and finds a community already sifting through the rubble.
High tides come back to the Italian city.
It's time to start seriously planning for climate change in the city.
"I think we all can agree we're seeing complete and utter devastation."
There are plenty of fake photos floating around this morning, but these images aren't lying.
Seven subway tunnels are flooded.
Large parts of New York City are in the dark and under water.