Challenges posed by sand and dust storms

GS Paper 1/ 3  Syllabus: Geophysical phenomena/Climate/Conservation, environmental pollution and degradation   Source: DTE  Context: According to the UN, sand and dust storms (SDS) have increased dramatically in frequency and severity in recent years.   What is SDS? They are common meteorological hazards in arid and semi-arid regions, usually caused by thunderstorms/ strong pressure gradients …