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California's governor declares a state emergency due to a 100-year drought. CNN's Kyung Lah reports.
A train carrying oil in North Dakota derailed, causing a massive explosion.
In an interview with CNN's Wolf Blitzer, iReporter Roshen Weliwatta compares Staten Island to Sri Lanka in 2004.
Mitt Romney tones down politics and helps collect groceries for those affected by Sandy. CNN's Jim Acosta reports.
CNN's Brian Todd looks at what's being done to avoid the human errors cited in the 2009 Air France crash.
A passenger in the Costa Concordia cruise disaster says a crew member told him to ignore emergency instructions.
The damage is not radioactive but the debris field still poses a danger to marine life as it inches toward North America.
RELATED STORY: Preparing for tsunami debris, wherever it may make landfall
Illinois denied governor's request for aid after the deadly tornado. CNN's Lisa Sylvester reports.
Stories of survival emerge from the wreck of the Costa Concordia off the Tuscany coast. CNN's Mary Snow reports.
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