Reuters: The United Nations published a landmark report on Sunday about how natural disasters threaten lives and livelihoods around the world. Following are the main findings of that report: DAMAGE FROM LARGE AND SMALL DISASTERS * Since 1975, 23 mega-disasters have killed 1.7 million people, mainly in poor countries. Some 80 percent of disaster-related deaths resulted from just 0.26 percent of recorded events. * Low-intensity damage to housing, local infrastructure, crops …