Later, some parts of the toxic cloud floated across parts of Europe ... leads to the formation of acid rain. Young children ...

These clouds are often associated with thunderstorm clouds and accompanied by rain, hail and lightning. Mammatus is most often found at the base of a thunderstorm cloud called cumulonimbus.

In response to the crisis, Delhi's Environment Minister Gopal Rai proposed an unconventional solution: cloud seeding, or artificial rain. Cloud seeding is a technique where substances like silver ...