What's going on with all the white fluff?

As June continues to deliver warmer temperatures and a fine collection of sunny days, one question lingers for many people near the North Shore to start the summer: What’s going on with all the white fluff? Aside from biting black flies and swarms of mosquitoes, an abundance of cottony fluff flying around areas from Lake

Fittonia with these white fluff. What are these?

What's That White Stuff On My Basement Walls?

What's Up With All The White Fluff? Why Cottonwood Trees Are

What exactly is the white stuff on pimple patches? – hanhoousa

What Are These Fluffy Little Bugs Popping Up in Cedar Rapids?

What is that white fluff, anyway? – Toronto Gardens

What are those tumbleweeds of fluffy stuff in Vancouver

What is this white fluff on ponytail Palm? : r/gardening

What the fluff? It's poplar cotton, and there's a lot this year