In his first "Urbi et Orbi" (to the city and the world) message, Francis also called for peace between Israelis and Palestinians, an end to the civil war in Syria, and political solutions to conflicts in several African countries.
The former Cardinal Jorge Bergoglio of Argentina also condemned the "iniquitous exploitation of natural resources" and urged everyone to be "guardians" of creation.
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An eight-year-old boy has been caught on camera going for a joyride with two other young children in the car.
The law should be changed to allow assisted dying, the country's former top lawyer has said.
The victims of the Shoreham air crash will be remembered in a series of events today to mark one week since at least 11 people were killed.