Scientists simulated what happens when the pipes and tunnels that divert rainwater fail. In one scenario, 30 percent of local residents couldn’t reach an E.R.

Cincinnati wants to take in people fleeing climate disasters. Plus, the latest on fires in Europe.

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Cincinnati wants to take in people fleeing climate disasters. Plus, the latest on fires in Europe.

The preliminary agreement may not have an immediate effect on prices at the pump. Damaged infrastructure and risky transport could keep costs up.

© Jenny Kane/Associated Press

The pace of the recovery will depend on how confident companies are that the deal between the United States and Iran will hold and be extended.

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