2012 Goldman Environmental Prize winner Ma Jun enlists ordinary Chinese to help clean up China's pollution.
Anders Breivik admitted to July 2011 attacks in Norway that killed more than 70 people, but did not take criminal responsibility for them.
Cuba, as always, was not invited to the Summit of the Americas in Colombia this weekend. But its participation at future meetings could become a major issue.
Shakira will meet with heads of state, including President Obama, at the Summit of the Americas in Colombia. Shakira is already working to provide better education to children.
A multibillion-dollar flood-prevention system will be put in place starting next year, a decade after the project began.