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Floods from Tropical Storm Washi
Published December 19, 2011
Swollen rivers pour mud and debris into the ocean along the northwest coast of Mindanao, Philippines, after Tropical Storm Washi triggered deadly flooding.
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Kizimen Spews Fresh Ash Clouds
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Published December 17, 2011
Kizimen volcano showed new signs of life in its ongoing eruption since 2009.
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Flooding in Thailand
Published December 16, 2011
Although improved over the previous several weeks, flood conditions lingered around Ayutthaya and Bangkok in early December 2011.
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Flooding in Australia
Published December 15, 2011
Flood waters continued flowing downstream in New South Wales in mid-December 2011.
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Shrubbery on the March in Quebec
Published December 10, 2011
New research shows shrubs and other plants infiltrating the countryside and advancing northward in Quebec.
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Flooding in Southern Pakistan
Published December 8, 2011
These images compare conditions in southern Pakistan where monsoon flooding struck in September 2011. Many areas remained under water three months later.
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Snowstorm in Western States
Published December 7, 2011
Images from late November and early December 2011 show the effects of a large-scale snowstorm in Colorado and neighboring states.
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Floods Move Downstream in New South Wales
Published December 2, 2011
Acquired in late November and early December 2011, these images document the downstream movement of floods in New South Wales, Australia.
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SO2 Pollution Controls Bring Results
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Scientists using a NASA satellite found that sulfur dioxide levels in the vicinity of major coal-fired power plants in the U.S. have fallen by half since 2005.
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Athabasca Oil Sands
Published November 30, 2011
The clay, sand, and other minerals coated in thick, viscous bitumen are a source of oil, economic growth, and environmental concern.
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Published November 29, 2011
Acquired just nine days apart, these images reveal rapidly rising flood waters in New South Wales, Australia, in November 2011.
Floods Slowly Recede around Bangkok
Published November 28, 2011
Acquired in early and late November 2011, these images document slowly receding floods around Bangkok, Thailand.
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