But we all agree it doesn't disappear, right? Instead of large problem on the ground, I now have large problem in the air and small one on the ground. What are

But we all agree it doesn't disappear, right? Instead of large problem on the ground, I now have large problem in the air and small one on the ground. What are the things that are easier to handle in the air than on the ground? I feel either I am having a complete and utter intuitive misunderstanding of conservation of mass and stuff, or everybody else is :-D. I feel we are replacing stuff I can touch and move and cover and isolate and manage, with stuff that I now breathe in forever and lands in the water and on plants and people in a completely uncontrolled fashion. It did not magically go away somewhere, right? :-O