Tornadoes are not born in clouds but on ground, says new research
Scientists find that they form from the ground up or along the wind circulation column
Dust, high temperatures bring Delhi’s air quality down to 'poor'
The Aravalli range plays a critical role in checking sand migration from the Thar Desert to Delhi-NCR; but they now stand degraded
Sand and dust storms impact over 500 million in India: Study
The storms pose health hazards and reduce crop yield across Asia-Pacific
Dust pollution in Sub-Saharan Africa raised infant mortality: Study
A 25% spike in local annual mean particulate concentrations in West Africa caused an 18% increase in infant mortality
Desert dust storms carry human-made toxic pollutants and the health risk extends indoors
Deserts now increasingly border built structures around the world, including urban dwellings