LONDON: The number of children exposed to severe climate disasters each year rose nearly 50 percent over the past five years compared with the previous five-year period, according to a Save the Children analysis released on Monday, as world leaders gather for the UN climate conference COP31. An average of 330 million children a year faced severe heat waves, droughts, tropical cyclones and extreme rainfall between January 2022 and September 2026, the organization said. That was up from an annual