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Leaking Oil Invades Louisiana Wildlife Habitats
This image, acquired on May 24, 2010 by the Multi-angle Imaging SpectroRadiometer (MISR) instrument aboard NASA's Terra spacecraft, shows oil from the former Deepwater Horizon rig encroaching upon several of Louisiana's wildlife habitats. The source of the spill is located off the southeastern (bottom right) edge of the image. >>

For additional MISR image and data releases on the Gulf of Mexico oil spill, see the following links:
http://photojournal.jpl.nasa.gov/catalog/PIA13099
http://photojournal.jpl.nasa.gov/catalog/PIA13143
http://photojournal.jpl.nasa.gov/catalog/PIA13150
http://photojournal.jpl.nasa.gov/catalog/PIA13174

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NASA MISR Image Shows Eyjafjallajökull Volcano Plume Heights
Iceland's Eyjafjallajökull volcano produced its second major ash plume of 2010 beginning on May 7. Unlike the response to the earlier eruption, which began on April 14, 2010, the reaction to the new plume was better informed. Aircraft were diverted as needed to avoid damage, and again some airports were closed. But across Europe, planes were not grounded altogether, in part because computer models were used to predict the spread of volcanic ash. Most air passengers completed their journeys with minimal delay. >>

For additional MISR image and data releases on Eyjafjallajökull, see the following links:
http://photojournal.jpl.nasa.gov/catalog/PIA13047
http://photojournal.jpl.nasa.gov/catalog/PIA13051
http://photojournal.jpl.nasa.gov/catalog/PIA13052
http://photojournal.jpl.nasa.gov/catalog/PIA13060
http://photojournal.jpl.nasa.gov/catalog/PIA13139
http://photojournal.jpl.nasa.gov/catalog/PIA13144

Image credit: NASA/GSFC/LaRC/JPL, MISR Team

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Smoke from Station Fire Blankets Southern California
Triple-digit temperatures, extremely low relative humidities, dense vegetation that has not burned in decades, and years of extended drought are all contributing to the explosive growth of wildfires throughout Southern California. The Station Fire, which began Aug. 26, 2009, in La Cañada/Flintridge, not far from NASA's Jet Propulsion Laboratory, had reportedly burned 105,000 acres (164 square miles) of the Angeles National Forest by mid-day Aug. 31, destroying at least 21 homes and threatening more than 12,000 others. It is one of four major fires burning in Southern California at the present time. >>

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MISR Multi-angle Views of Sunday Morning Fires
Hot, dry Santa Ana winds began blowing through the Los Angeles and San Diego areas on Sunday October 21, 2007. Wind speeds ranging from 30 to 50 mph were measured in the area, with extremely low relative humidities. These winds, coupled with exceptionally dry conditions due to lack of rainfall resulted in a number of fires in the Los Angeles and San Diego areas, causing the evacuation of more than 250,000 people. >>

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Satellites Track Human Exposure to Fine Particle Pollution
When it comes to air pollution, the smallest size can do the most harm. More than a decade ago, a pioneering study by Harvard's School of Public Health showed that one of the most dangerous forms of air pollution is particulate matter 10 microns (about 0.0004 inch) or less in size. Called PM 10, this tiny airborne debris is a product of burning fossil fuels. It can be found wherever there are cars, boilers and power plants. Fires and dust storms are also sources. >>