"We only have one home" - Pharrell Williams urges action on climate

By Maria Caspani UNITED NATIONS (Thomson Reuters Foundation) - It's time to go "from climate change to climate action" in efforts to save the planet, U.S. pop star Pharrell Williams said at the United Nations on Friday. Singer-producer Williams, 41, partnered with the United Nations Foundation on the International Day of Happiness to raise awareness and call for more action on climate change.