Pope Francis urged world leaders preparing to meet at a United Nations conference on climate change to agree an accord that transforms current development models and focuses on the need to adopt low-carbon energy systems. Negotiators meeting in Paris next week have a political and economic obligation to rethink and correct the “dysfunctions and distortions of the current development model,” the pontiff said in a speech at the UN Environment Programme headquarters in the Kenyan capital, Nairobi. Pope Francis arrived in Kenya Wednesday on the first leg of a three-nation tour of Africa, his first visit to the continent. More than 130 world leaders are gathering Monday at a United Nations conference in Paris to open negotiations on a new climate change deal intended to limit warming to 2 degrees Celsius (3.6 degrees Fahrenheit). Data released by the UN this week showed that the planet is halfway to dangerous […]