For years, scientists have pointed to warming permafrost in the Arctic tundra as a source for increased carbon in the atmosphere; as this soil warms, it releases greenhouse gases that have long been trapped in frozen ground.
Environment
Jul 3, 2019
0
2
The early arrival of spring in parts of the Arctic is driven by winter snow melting sooner than in previous decades and by rising temperatures, research suggests.
Environment
Apr 25, 2019
3
265
Thawing permafrost in high-altitude mountain ecosystems may be a stealthy, underexplored contributor to atmospheric carbon dioxide emissions, new University of Colorado Boulder research shows.
Environment
Mar 21, 2019
1
4180
The Arctic is warming twice as fast as the rest of the planet, causing the carbon-containing permafrost that has been frozen for tens or hundreds of thousands of years to thaw and release methane into the atmosphere, thereby ...
Earth Sciences
Feb 7, 2019
1
237
Warming temperatures in cold places are causing plants to flower earlier, according to a new study.
Ecology
Dec 18, 2018
0
49
When people think of the Arctic, snow, ice and polar bears come to mind. Trees? Not so much. At least not yet.
Environment
Aug 6, 2018
0
95
Nitrogen, an essential plant nutrient, is most readily absorbed by plants in its ammonium and nitrate forms. Because of the very low nitrate levels found in arctic tundra soil, scientists had assumed that plants in this biome ...
Environment
Mar 23, 2018
0
137
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.
Environment
Jul 12, 2017
4
773
A new NASA-funded study finds that lightning storms were the main driver of recent massive fire years in Alaska and northern Canada, and that these storms are likely to move farther north with climate warming, potentially ...
Earth Sciences
Jun 27, 2017
0
49
You fly more than 100 miles for love. You get rejected. You fly another 100 miles. Another rejection. And another.
Plants & Animals
Jan 9, 2017
0
27
