Inter Press Service: Demands for humanitarian assistance will grow significantly, and the biggest cause is likely to be climate change rather than wars and internal conflicts, say experts. In 2006 the world experienced 427 natural catastrophes that affected about 143 million people, and the trend is rising, says Ulla-Maija Finskas, director of the department for humanitarian assistance in the Finnish ministry for foreign affairs. These included 254 floods and related disasters, 43 percent higher …