Tundra News

• Fish
  Fisheries
  Wild Animals
  New Species
  Nature
  Marine Biology
   
  

  New Fossil Species from a Fish-Eat-Fish World When Limbed Animals Evolved

  March 27, 2013 — Scientists who famously discovered the lobe-finned fish fossil Tiktaalik roseae, a species with some of the clearest evidence of the evolutionary transition from fish to limbed animals, have ... > full story
• Global Warming
  Climate
  Ice Ages
  Oceanography
  Animals
  Extreme Survival
   
  

  For Polar Bears, It's Survival of the Fattest

  March 19, 2013 — One of the most southerly populations of polar bears in the world – and the best studied – is struggling to cope with climate-induced changes to sea ice, new research reveals. Based on ... > full story
• Global Warming
  Climate
  Tundra
  Air Pollution
  Environmental Issues
  Pollution
   
  

  Chemicals Pollutants Threaten Health in the Arctic

  March 15, 2013 — People living in Arctic areas can be more sensitive to pollutants due to their genetics. This is unfortunate since the northernmost areas of Europe are receiving more harmful chemicals. Scientists ... > full story
• Animals
  Mammals
  Tundra
  Spiders and Ticks
  Global Warming
  Exotic Species
   
  

  DNA Study Clarifies How Polar Bears and Brown Bears Are Related

  March 14, 2013 — A new genetic study of polar bears and brown bears upends prevailing ideas about the evolutionary history of the two ... > full story

  More: 

  • Polar Bears' Family Secrets Revealed With DNA Sequencing
• Global Warming
  Climate
  Snow and Avalanches
  Ice Ages
  Environmental Issues
  Water
   
  

  Canadian Arctic Glacier Melt Accelerating, Irreversible, Projections Suggest

  March 12, 2013 — Ongoing glacier loss in the Canadian high Arctic is accelerating and probably irreversible, new model projections suggest. The Canadian high Arctic is home to the largest clustering of glacier ice ... > full story
• Global Warming
  Fish
  Water
  Biology
  Tundra
  Geography
   
  

  Antarctic and Arctic Insects Use Different Genetic Mechanisms to Cope With Lack of Water

  March 12, 2013 — Although they live in similarly extreme ecosystems at opposite ends of the world, Antarctic insects appear to employ entirely different methods at the genetic level to cope with extremely dry ... > full story
• Ozone Holes
  Environmental Issues
  Atmosphere
  Air Quality
  Global Warming
  Air Pollution
   
  

  Causes of 2011 Arctic Ozone Hole Determined

  March 11, 2013 — A combination of extreme cold temperatures, human-made chemicals and a stagnant atmosphere were behind what became known as the Arctic ozone hole of 2011, a new study ... > full story
• Ozone Holes
  Environmental Issues
  Atmosphere
  Air Quality
  Climate
  Global Warming
   
  

  Ozone Layer Above North Pole Expected to Recover by End of Century

  March 11, 2013 — Good news for the ozone layer above the Arctic. The Montreal Protocol is showing effects: according to recent measurements, the ozone layer over the North Pole should recover by the end of the ... > full story
• Global Warming
  Environmental Issues
  Climate
  Nature
  Geography
  Earth Science
   
  

  Amplified Greenhouse Effect Shaping North Into South

  March 10, 2013 — As the cover of snow and ice in the northern latitudes has diminished in recent years, the temperature over the northern land mass has increased at different rates during the four seasons, causing a ... > full story

  More: 

  • Amplified Greenhouse Effect Shifts North's Growing Seasons
• Global Warming
  Climate
  Ice Ages
  Geography
  Snow and Avalanches
  Oceanography
   

  Glaciers Will Melt Faster Than Ever and Loss Could Be Irreversible Warn Scientists

  March 7, 2013 — Canada's Arctic Archipelago glaciers will melt faster than ever in the next few centuries. Scientists have shown that 20 percent of the Canadian Arctic glaciers may have disappeared by the end of ... > full story

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