A new method for dating ancient sea shells reveals that the Greenland Ice Sheet was smaller between 3,000 and 5,000 years ago than it is today. The new study also indicates that the inland ice is more robust than previously thought.
The ocean floor contains viruses and bacteria locked in a constant struggle for survival. This has a great effect on the carbon cycle in the ocean and thus also affects how much CO2 is released into the atmosphere.
Nitrous oxide affects both the ozone layer and global warming when it’s released into the atmosphere. Farmers and wastewater treatment plants are among those who send out gas, and now Danish scientists have set out to figure out how this works.