Lightning storms triggered by exhaust from cargo ships

The world's busiest shipping lanes have twice as many bolts of lightning as nearby areas, and ships pumping soot into the air seem to be responsible. By Lakshmi Supriya.
Read more: https://www.newscientist.com/article/mg23531442-300-lightning-storms-triggered-by-exhaust-from-cargo-ships/?source=Snapzu