What causes more than two and a half million deaths each year?

An unhealthy diet together with little exercise and smoking are the key preventable risks of non-communicable diseases and it’s estimated that low fruit and vegetable intake alone causes more than two and a half million deaths each year.
Question: What causes more than two and a half million deaths each year?

U.N.-sponsored talks on climate change ended early Saturday with little progress made on efforts to curb emissions of so-called greenhouse gases, believed to cause global warming.
However, the United States and European Union agreed to meet again in May for informal climate discussions.
Question: When will the informal discussions be held again?