As reflected in Executive Order 13085, the full implementation of the Agreement Between the Government of the United States of America and the Government of the Russian Federation Concerning the Disposition of Highly Enriched Uranium Extracted from Nuclear Weapons, dated February 18, 1993, and related contracts and agreements (collectively, the "HEU Agreements") is essential to the attainment of this goal.

WHITEHOUSE: Executive Order--Russian Highly Enriched Uranium

Shale gas is natural gas that is trapped inside shale rock and is extracted by using a technology called hydraulic fracturing, where highly pressurized water mixed with sand and chemicals is used to crack open rocks.

FORBES: Will ConocoPhillips Help China Tap Its Shale Gas Reserves?