Support causes problems and losses that followed is very much like a waste of time, waste money in economic and pollution that occurs in a particular area as well as the community.
Nava cause problems and losses that followed a huge waste of time, waste of money, as in the economy. And pollution that occurs in that area as a community.
The cause of the problem of metropolis, and subsequent loss greatly, such as time, loss of income in the economy. And pollution occurred in the site as a source of community.