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Ladakh (region), China-India-Pakistan (1)
June 2008
Laikipia ecosystem (1)
September 2008
Laikipia Plateau (1)
September 2008
Lake (1)
April 2006
Lakes (1)
March 2009
Land use (5)
November 2008
November 2007
March 2007
May 2006
February 2006
Language (2)
May 2008
March 2008
Languages (2)
May 2006
March 2006
La Poile, Newfoundland, Canada (1)
April 2007
Laredo (1)
November 2006
Larvae (1)
November 2007
Lava (1)
December 2006
Law enforcement (1)
December 2008
Lembeh Strait (1)
November 2005
Leopards (1)
April 2007
Leopard seals (1)
November 2006
Life expectancy (1)
February 2007
Light (1)
November 2008
Light pollution (1)
November 2008
Limestone formations (1)
September 2006
Limestone sinks (1)
September 2006
Line Islands, South Pacific Ocean (1)
July 2008
Lions (2)
March 2007
September 2006
Literature (1)
February 2008
Livestock (3)
April 2009
December 2007
June 2006
Ljubljanica River, Slovenia (1)
January 2007
Logging (2)
November 2008
January 2007
Longevity (1)
February 2007
Looting (2)
December 2008
December 2006
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