there huge,
scarier at night as its dark
anyone or anything can be lurking around..
get lost easily
your pretty much stuck.
health and saftey is at risk.
pollution is destorying our ozone layer, and causing global warming.. you can prevent pollution very easily, don't use cars as much the fumes are polluting, don't smoke. it's pollution and a cancer stick.. dispose of waste properly, you can't really get through to everyone what pollution is...