California has released its plans to achieve the goals of landmark global warming legislation it passed in 2006. The state wants to reduce greenhouse emissions and ramp up renewable energy production by 2020. Sam Eaton reports.

Although Britain has sanctions against Zimbabwe's government, some British-owned businesses are still pumping money into the African nation. Stephen Beard reports.

Violence across Mexico has intensified as the government has fought against the country's powerful drug cartels, often well-armed from the U.S. Host Bob Moon asks journalist James Verini what can be done to stem the cross-border arms trade.