Ancient Algae Shed Light on Antarctic Ice Sheet Growth
When you buy through links on our site , we may earn an affiliate commissioning . Here ’s how it work . Antarctica ’s vast ice sheets first get when carbon dioxide storey in the Earth ’s atmosphere sharply declined billion of year ago , scientist now find . Carbon dioxide is agreenhouse gasoline — it trap heatradiating away from the Earth ’s open . High stage of it in the aura are linked with global warming , while low levels are linked with spheric cooling ....