Ninety percent of the ocean is below 200 meters, but not much is known about life in the deep sea; expensive research sampling has been done in about 1 percent of this vast area.
She did, but the talks went nowhere.The central problem is that many of Kompania Weglowa's mines are deep and expensive, rendering them uncompetitive at a time of falling global coal prices.
"In the U.S., most of the undiscovered gas is deep and expensive to find," he says.
Shallow wells go dry faster than deep, more expensive wells.
But Guinea's problems go much deeper than expensive gas.
But in 1993, despite its earlier regulatory trouble and the still-pending consumer lawsuit, it tapped into a much deeper, less expensive source of fresh capital: Wall Street.
He notes that it was only five years after the massive and hugely expensive Deep Blue beat Mr Kasparov in 1997 that Deep Fritz was able to achieve the same level of performance by combining the power of just eight personal computers.
The coal is deep underground and expensive to extract.
Deep water is expensive to operate in and, as BP found out, an environment where the consequences of serious accidents are harder to manage.
As inviting as it is, unfortunately this fossil water is not that easy to get at, requiring expensive, deep water wells and large pipelines to move the water to where people need it.
