|Not to scale.|
Considering that OPEC nations produce up to 30 000 000 000 barrels of oil/day, think about how bi a billion is:
In my first year at AMG, there was a huge oil rig (where oil is extracted from under the ocean) disaster in the Gulf of Mexico in 2010. This is one of the unfortunate things about our reliance on oil.
A summary of the story can also be seen on this YouTube story: