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.

The aim of the meeting was to formalise next steps on implementing key provisions of the historic legal instrument to make the world safer from future pandemics, it said.

Research led by the University of Arizona Health Sciences found a potential link between growth problems among infants and ...