atmospheric dust has always being with us and there are some benefits. this is a very positive impacts from dust storms blowing around the planet many of the soils in the caribbean islands the clays came from north africa and it enabled the pre-columbian indians to build plate clay pottery and without that dust blowing across and building up in the soils the clay wouldn't be in the caribbean you wouldn't find. dust also contains valuable nutrients for plants. so when the rain forests from north africa the dust flows over it goes into south america during the north northern hemisphere is winter and moves down and there. and many of the plants derive their nutrients and are fertilized from the last in the end the same with asian dust blowing across fertilizers some of the northern hawaiian island rain forests and sustains them so there's some very positive things