Their work has covered several policy areas, including environmental taxation, the politics of genetically-modified food, and the effectiveness of global environmental agreements.

BBC: UK lags on riding 'green wave'

"Whatever anyone thinks of the lawsuits against fast-food companies, they are a wake-up call to everyone, " says Marion Nestle , professor of nutrition and food studies at New York University and author of Food Politics, a critical look at the food industry.

FORBES: Magazine Article

Mr Berlusconi, a billionaire business magnate, is accused of bribing judges in Rome to sway a ruling on the sale of state-owned food company SME in the 1980s, a decade before he entered politics.

BBC: Berlusconi ally faces sentencing