And then you know, the pollution, of course, coming out of when you have mega cities, right, the air -- I see my kids playing, you know, every day when it's a bad weather, it just pains me to see that.
The last mile is the problem and half the world now lives in dense cities and people spend, depending who they are, between 90 and 95 percent of their energy getting around on foot.
Densely populated areas have an extremely high risk of flash flooding, with the additional concrete and less grassy areas for the water to soak into the soil, and they can see flash flooding very quickly.
To the people living nearby the combination of explosions and a large population can really - - are the things that volcanologists really hope don't get combined