All Posts in #Department of Earth and Environmental Sciences

On a beach on a remote island in eastern Papua New Guinea, a country located in the southwestern Pacific to the north of Australia, garnet sand reveals an important geologic discovery. Similar to messages in bottles that have traveled across…

Tiny bubbles of ancient air trapped deep beneath the ice in Antarctica contain important information about our atmosphere. By drilling into the ice, scientists have analyzed these bubbles and determined that carbon dioxide (CO2) levels on Earth today are higher…