A census of those living in some 700 often-squalid camps across the country, often blamed for much of Italy's crime, has raised comparisons to Fascist times.
If the decline continues, it could buoy consumers, retailers, and carmakers.
After issuing landmark ruling, the Supreme Court has yet to clarify the appeals process for more than 275 Guantanamo detainees.
Draining marshes and other wetlands could hasten climate change, a group of experts meeting in Brazil this week warned.
Troops from Cambodia and Thailand have been amassing around Preah Vihear, an ancient temple claimed by both countries. UNESCO recently granted Cambodia's application for World Heritage Site status for the site.
The three-day meeting, which runs through Friday, has been cast as 'historic' but also criticized as a PR stunt.