In 2005 it had proven recoverable coal reserves of 171 million tons.

These reserves were the largest in the world until Venezuela announced they had increased their proven reserves to 297 Gbbl in January 2011.

Over a trillion barrels of reserves have been proven, and more are likely to be found.

Two thirds of proven reserves are in the Persian Gulf, one of the world s most volatile regions.

They are also home to many of the world s critical natural resources, possessing around 60 of proven oil reserves.

Russia is the world s largest oil and gas exporter, sitting on more than 25 of total proven gas reserves.

The six biggest Middle Eastern oil producing countries officially hold around 740 billion barrels (Gbs) of proven oil reserves.

Those four states contain half of the world s proven oil reserves and two thirds of what could potentially be exported.

Compared to the preceding year another 40.4 in crude oil reserves were proven in 2010, allowing Venezuela to surpass Saudi Arabia as the country with the largest reserves of this type.

Oil is extracted and processed by Petroleum Development Oman (PDO), with proven oil reserves holding approximately steady, although oil production has been declining.

By contrast, less developed countries that borrow in foreign currencies may run out of currency reserves.

Western officials were also swayed by concerns about the stability of supplies in the Middle East, which accounts for a large proportion of the world s proven reserves.

ONGC Mittal Energy is keen to secure blocks with proven reserves, but also is less concerned about the fine detail of the infrastructure packages than their Asian competitors.

and perseverance, proven character and proven character, hope

Indeed, the remaining carbon emissions budget until 2050, adherence to which is required to limit the global temperature increase to 2 C, is five times smaller than the carbon equivalent of proven fossil fuel reserves.

A proven approach

Proven drafting skills

Since that time, an action plan has been developed and agreed with the goal of requiring States to use proven alternatives in new airframe designs beginning in 2009.

(b) the estimation of mineable deposits, when such deposits have been identified, which shall include details of the grade and quantity of the proven, probable and possible (polymetallic sulphide) (cobalt crust) reserves and the anticipated mining conditions

Guilty until proven innocent?

Reserves

However, while 90 of world reserves of hydraulic energy are concentrated in underdeveloped regions like sub Saharan Africa, HVDC technology remains the preserve of developed countries.

India s private sector is efficient and entrepreneurial, and its capital and management skills have proven able to control and manage assets in the sophisticated financial markets of the developed West.

The country has the world's largest natural gas reserves, the 8th largest oil reserves, and the second largest coal reserves.

Western officials were also swayed by concerns about the stability of supplies in the Middle East, which accounts for a large proportion of the world s proven reserves. Some developing countries, most notably Brazil, have discovered huge potential offshore riches.

I must be proven wrong.

These hopes have proven illusory.

The Project has proven controversial.

Africa s natural gas reserves amount to about 8 of global reserves.

AIMS is now a proven model.

That case is not yet proven.

Our own history has proven that.

(l) Other reserves

(j) Operating reserves

The accused is innocent until proven guilty.

A generation later, he was proven right.

These two sites have proven very successful.

Such activities have proven to be successful.

An oil rush is underway in the continent, because all developed countries' national security depends on a steady oil supply, and sub Saharan Africa owns 8 of the world's known reserves.

Support for oil nationalization Most of Iran's oil reserves were in the Persian Gulf area and had been developed by the British Anglo Iranian Oil Company (AIOC) for export to Britain.

(g) Transfers to reserves

Deregulation had proven to be a dismal failure.

Iraq s vast reserves, went the argument, could not be developed safely until Saddam was deposed. The September 11, 2001, terrorist attacks in the US provided the green light, not the underlying motivation.

Other reserves comprise the following

First, a significant part of the resources mobilized by developing countries has been used to finance debt servicing payments to multilateral development banks and to increase foreign exchange reserves held in developed countries.