Exhibit 12.1

Computation of Ratio of Earnings to Fixed Charges and Ratio of Fixed Charges and Preferred Stock Dividends to Earnings

Amounts in thousands

	Six months ended			Six months ended			Year Ended			Year Ended			Year Ended			Year Ended			Year Ended
	6/30/2010			6/30/2009			12/31/2009			12/31/2008			12/31/2007			12/31/2006			12/31/2005
Earnings:
Add: Pre-tax income/loss from continuing operations before adjustment for noncontrolling interest or income/loss from equity investees	$	(20,439	)	$	(17,019	)	$	(55,601	)	$	(49,332	)	$	(14,345	)	$	(57,755	)	$	(31,446	)
Fixed charges		28,123			20,008			42,517			34,493			25,036			15,312			15,844
Amortization of capitalized interest		2,177			2,177			4,355			3,336			1,882			916			953
		9,861			5,166			(8,729	)		(11,503	)		12,573			(41,527	)		(14,649	)
Less: Interest capitalized		—			1,761			1,761			4,714			9,277			7,628			5,495
Noncontrolling interest in pre-tax loss of subidiaries that have not incurred fixed charges		39			—			—			—			(763	)		(836	)		(7	)
		39			1,761			1,761			4,714			8,514			6,792			5,488
Total Earnings	$	9,822		$	3,405		$	(10,490	)	$	(16,217	)	$	4,059		$	(48,319	)	$	(20,137	)
Fixed Charges:
Interest expensed	$	21,658		$	15,044		$	34,072		$	27,277		$	14,887		$	7,169		$	6,728
Interest capitalized		—			1,761			1,761			4,714			9,277			7,628			5,495
Amortized capitalized expense related to indebtedness		6,465			3,203			6,684			2,502			872			515			3,621
Total Fixed Charges	$	28,123		$	20,008		$	42,517		$	34,493		$	25,036		$	15,312		$	15,844
Preferred Stock Dividends		—			—			—			—			—			—			—
Ratio of earnings to fixed charges (1)		0.35			0.17			(0.25	)		(0.47	)		0.16			(3.16	)		(1.27	)
Ratio of fixed charges and preferred stock dividends to earnings (1)		2.86			5.88			(4.05	)		(2.13	)		6.17			(0.32	)		(0.79	)
(1)   Fixed charges in excess of earnings	$	18,301		$	16,603		$	53,007		$	50,710		$	20,977		$	63,631		$	35,981