The issue focused on one of those two questions, but there were plenty of questions about the other, too.

The National Science Foundation has been investigating how climate change affects the Arctic and Greenland ice sheet, and has been studying the effects of global warming on sea level, which scientists have found to be rising due to greenhouse gases.

The study looked specifically at the effects of global warming and sea level on the Greenland ice sheet.

The ice is one of a number of factors influencing the sea level