Oceans as a resource

1. Oil

   Anotações:

   • Continental shelf. Persian Gulf: 66% world's oil reserves. Arguably the most important source of energy worldwide. Countries that possess oil have a great degree of political power.
2. Gas

   Anotações:

   • Continental shelf. Persian Gulf: 33% world's gas reserves. One of the world's most valuable sources of energy.

1. Gold

   Anotações:

   • Ocean floor.
2. Manganese

   Anotações:

   • Ocean floor. Nodules on abyssal plain.
3. Silver
4. Copper
5. Tin
6. Titanium
7. Cobalt

1. Diamonds

   Anotações:

   • Continental shelf off Africa and Indonesia.
2. Sulphur

   Anotações:

   • Ocean ridges & rift valleys.
3. Sand

   Anotações:

   • Continental shelf.
4. Gravel

   Anotações:

   • Continental shelf.

Anotações:

• Overfishing of popular fish species has become an issue. Unsustainable fishing is brought about through the use of trawlers and the accumulation of bycatch. Line and pole fishing has been encouraged by NGOs to avoid catching the wrong fish. Dolphins, sharks, and even whales have been known to get caught in trawler nets.

1. Red snapper
2. Cod

1. Shrimp

Anotações:

• Much of the world's connection to the internet is still maintained by cables between continents. Disruptions in these cables could have catastrophic effects to the world's economic systems, which nowadays are almost entirely run by computers communicating with each other.