Shells have had
an indirect influence in advancing other industrial and world concerns
in areas such as:
voyages both on land and sea
diving and snorkeling ventures and companies:
partly spurred on by collectors looking for deep-water shells.
of marine reserves and parks - to protect endangered
(by pollution and destructive fishing techniques mostly -NOT shell collectors!!!)
species of molluscs and other sea life, such as corals.
Shell Oil Company of today, started out as a shell
import company. When the value of the shell buttons in industry fell,
they were forced to look for a better-paying commodity, and got lucky