Wednesday, 4 December 2019

Signs of climate change

The Stunning Toll of Climate Change

Climate change is a story told in decades.


Ice avalanche in Tibet’s Aru Range
NASA
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Climate change rarely transforms an environment overnight. By the time ice shelves disappear, ocean waves creep onto main streets, and forests shrivel, the forces of climate change have been at work for decades. 
Fortunately, NASA is tracking these environmental changes with satellites so that the public knows the full scale of transformations taking place. From one month to the next, an environmental change might seem slight, but when you zoom out to the level of years and decades, the combined shifts paint a devastating portrait. Of course, there are also sudden, dramatic events like flash floods that overwhelm a region overnight. But these, too, are the result of weather patterns that have morphed over decades.   
Here are seven transformations that NASA has captured. 

Melting Arctic Ice

September, 1984
Older, thicker Arctic sea ice declinesImage: NASA
September, 2016
Older, thicker Arctic ice declines -- 2016Image: NASA

Fire Damage in Yellowstone National Park

October 10, 1987
Yellowstone National Park / NASAImage: NASA
June 17, 2016
Fire Damage in Yellowstone National ParkImage: NASA

Early Ice Melt in Greenland

June 10, 2014
Greenland IceImage: NASA
June 15, 2016
Ice melt in GreenlandImage: NASA

Sea-Ice Breakup in Beaufort Sea, Arctic

April 13, 2015
Sea ice break-up in ArcticImage: NASA
April 15, 2016
Sea ice break-up in ArcticImage: NASA

Coal Mine Growth in Powder River Basin, Wyoming

June 29, 1984
Coal mines in Wyoming
June 21, 2016
Coal mines in Wyoming - 2016Image: NASA

Flooding in Yangtze River Basin, China

March 27, 2016
Screen Shot 2017-01-05 at 9.43.04 AM.png
July 28, 2016
Ganges River In IndiaImage: NASA

Flooding on the Ganges River, India

August 10, 2015
Screen Shot 2017-01-05 at 9.52.01 AM.png
August 15, 2016
Satellite view of Ganges River in IndiaImage: NASA

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