Sand and dust storms affect about 330 million people in over 150 countries, UN agency says

UNITED NATIONS (AP) — Sand and dust storms affect about 330 million people in over 150 countries and are taking an increasing toll on health, economies and the environment, the U.N. World Meteorological Organization says. “About 2 billion tons of dust are emitted yearly, equivalent to 300 Great Pyramids of Giza” in Egypt, the organization's U.N. re...