The ocean, covering 71% of the Earth's surface, harbors countless resources.
Minerals, oil, natural gas, combustible ice, biological...
Its quantity and quality are far beyond what the land where little skinny monkeys live can compare to.
But as the saying goes, a spendthrift doesn't care about selling his ancestor's land, this territory is even ownerless, so there's no limit to exploiting it.
There are countless instances of violent resource exploitation, blowing up a hundred dollars' worth for a dollar is routine practice, especially when attacking a rival company's resource point, it's often preferred to destroy it rather than let you exploit it normally.
Leaking oil, pouring nuclear waste, and household waste discharged by coastal cities have caused large-scale extinction of marine life worldwide.
The azure sea surface has turned pitch black, coastal zones have become death zones, emitting a putrid stench of decay day and night, with migratory birds nearly extinct.
