Microscopic Forest News Today

Changing, changing faster than the science and the studies can keep up with. the team drilled through the ice to measure thickness. >> were starting to get a fairly good idea. it has definitely thinned in this area as well, basically thinned everywhere. >> reporter: extracting ice that holds frozen clues. >> wow. look at this. beautiful. >> about a meter of ice core here. inside this piece of ice is a microscopic forest. >> reporter: greenpeace ship "the arctic sunrise" is converted into a float...