Archive for August 24th, 2012

Ocean Floor Sediments May Be Window on World’s Warmer Future

Analysis of seafloor sediment reveals lower oxygen levels in the ocean when the planet heated up 55.9 million years ago Digging into our planet’s past could help us prepare for a hot future. One dramatic spike in historical temperatures, the Paleocene–Eocene Thermal Maximum (PETM), occurred around 55.9 million years ago. That time was marked by […]