Reuters: U.S. Secretary of State John Kerry urged global leaders on Saturday to agree an "ambitious" deal at a climate conference in Paris in December, saying global warming was the biggest threat to global food security.
"We need every country on the same page, pushing an ambitious, durable and inclusive agreement that will finally put us on the path toward a global clean-energy future," Kerry told an audience at the Milan Expo, where the focus is on "Feeding the planet" and new approaches to sustainable...