There is no empirical evidence to prove a link between violent lyrics and images and real violence on the streets, but many people in the music industry have accepted they need to do more to address the issue.
"As I promised when I accepted this challenging assignment, we are moving swiftly to address urgent issues while also taking actions that will build a strong Schering-Plough for the long term, " said Hassan in a prepared statement.
The IEA says that the technologies to address these issues exist or are in development and if they are adopted, fracking might be more widely accepted.
Federico Lombardi said the pope accepted Cardinal O'Brien's resignation "in light of the conclave, " saying the pope aimed to address an "unclear situation" before cardinals were formally summoned to Rome.