Connecting Environmental Observations with Cholera Outbreaks in Bangladesh

Taking a global view, public health issues and the environment are intimately linked. As an example, research has demonstrated that cholera epidemics occur seasonally in Bangladesh, with peak outbreaks happening twice a year. This bimodal outbreak pattern closely follows the times when large monsoon events are frequent (spring and fall).

Publishing Date: 

Wed, 10/08/2011 - 15:41

NASA Measures Wildfire Pollution Pour Over Niagara Falls

Water isn't the only thing pouring over Niagara Falls. Pollution from fires in Ontario, Canada is also making the one thousand mile trip, while being measured by NASA's Aqua satellite. One instrument that flies aboard two of NASA's satellites has provided two views of the pollution from the fires in Ontario.


Publishing Date: 

Mon, 01/08/2011 - 15:14

Texas Drought Disaster

By July 2011, Texas and New Mexico had completed the driest six-month period on record. Average rain between January and June was more than eight inches (203 millimeters) below average in Texas and 3.5 inches (89 millimeters) below average in New Mexico. Record warm temperatures also persisted in Texas between April and June. The lack of rain and the warm temperatures added up to exceptional drought.

Publishing Date: 

Wed, 27/07/2011 - 12:08

Here's Looking @ Earth... First Volcanoes... Now Snow

Ordinarily, the flashes of white in South America’s Atacama Desert rise from salt pans.But on July 7, 2011, when the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite acquired these images, the white came from a far rarer commodity: snow.


Publishing Date: 

Wed, 13/07/2011 - 17:05

Ash from Puyehue-Cordón Caulle over Australia and New Zealand

The eruption at Chile’s Puyehue-Cordón Caulle Volcanic Complex sent clouds of ash high into the atmosphere, above the weather that usually breaks up such plumes.

Publishing Date: 

Thu, 16/06/2011 - 16:18

Wildfires in Alberta, Canada

On May 16, 2011, tan and gray smoke spread hundreds of kilometers across Alberta, Saskatchewan, and the Northwest Territories in Canada. At 10:00 a.m., the Alberta government reported 116 fires burning in the province, 34 of them out of control. The following day, the total number of fires had dropped to 100, and the number of uncontrolled fires had dropped to 22. But four new fires had started to burn out of control.


Publishing Date: 

Thu, 19/05/2011 - 14:58

September 2009

Issue Date: 

Fri, 02/10/2009

In this issue:



NASA Image of Typhoon Morakot

Typhoon Morakot bore down on the island of Taiwan on August 7, 2009. When the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this image at 1:25 p.m.

Publishing Date: 

Mon, 10/08/2009 - 16:55


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