NASA | A Year in the Life of Earth's CO2. That's pretty interesting (especially look at Australia, they have so little...)
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Hawaii: SCUBA Curtis
10 Random Photos:
NYC 2002: Produce Stand
Chasm Lake 2000: Marmot
Red Bull Flugtag 2004: The One Eyed Willies
Hawaii: SCUBA Orangespine Unicornfish
Australia 2004: Tomaree Head Gun Emplacement
Eldo April 2001: Curtis Halfway
Australia 2004: Botanic Plant Close-Up 02
KBCO 2002: Number 2 Pencil
Vail 2001: Gore Range
White Rim 2001: Day 3: Group at Fort Bottom Ruins