NASA studies how arctic wildfires change the world

Wildfires in the Arctic often burn far away from populated areas, but their impacts are felt around the globe. From field and laboratory work to airborne campaigns and satellites, NASA is studying why boreal forests and tundra ...

Controls on nitrogen nutrient availability in the Arctic tundra

Near the top of the world, plants grow on soil that rests atop permafrost, or permanently frozen soil. Just like plants in warmer regions, these need nitrogen to grow. The unique aspects of the permafrost environment create ...

How fires are changing the tundra's face

Climate change takes a heavy toll on the tundra, increasing the probability of extreme droughts. As a result, the frequency of fires in forests, bogs and even wetlands continues to rise. In addition, the northern areas of ...

Study finds toxic mercury is accumulating in the Arctic tundra

Vast amounts of toxic mercury are accumulating in the Arctic tundra, threatening the health and well-being of people, wildlife and waterways, according to a UMass Lowell scientist investigating the source of the pollution.

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