Polar bears are a familiar sight to many through the media as we see evocative images of singular bears floating on isolated ice rafts as they face the harsh realities of climate change shrinking sea ice in the Arctic. Their ...
What will be the impact to the ocean if humans are to mine the deep sea? It's a question that's gaining urgency as interest in marine minerals has grown.
Earth Sciences
Sep 21, 2022
0
204
A massive release of greenhouse gases, likely triggered by volcanic activity, caused a period of extreme global warming known as the Paleocene-Eocene Thermal Maximum (PETM) about 56 million years ago. A new study now confirms ...
Earth Sciences
Mar 16, 2022
27
113
A new analysis of strontium isotopes in marine sediments has enabled scientists to reconstruct fluctuations in ocean chemistry related to changing climate conditions over the past 35 million years.
Earth Sciences
Mar 25, 2021
1
218
To see how deeply interconnected the planet truly is look no further than the massive ice sheets on the Northern Hemisphere and South Pole.
Earth Sciences
Nov 25, 2020
10
160
About 10 percent of the Earth's land mass is covered in glaciers, most of which slip slowly across the land over years, carving fjords and trailing rivers in their wake. But about 1 percent of glaciers can suddenly surge, ...
Earth Sciences
Jun 15, 2020
1
259
As humans continue to heat the planet, a northward shift of Earth's wind and rain belts could make a broad swath of regions drier, including the Middle East, American West and Amazonia, while making Monsoon Asia and equatorial ...
Earth Sciences
Sep 23, 2013
17
0
At the end of the last Ice Age, as the world began to warm, a swath of the North Pacific Ocean came to life. During a brief pulse of biological productivity 14,000 years ago, this stretch of the sea teemed with phytoplankton, ...
Earth Sciences
Jul 14, 2013
2
0
(PhysOrg.com) -- An international research team including University of Pennsylvania scientists has shown that the rate of sea-level rise along the U.S. Atlantic coast is greater now than at any time in the past 2,000 years ...
Earth Sciences
Jun 20, 2011
32
0
Scientists from the U.S., U.K. and Australia have used ice-penetrating radar to create the first high- resolution topographic map of one of the last uncharted regions of Earth, the Aurora Subglacial Basin, an immense ice-buried ...
Earth Sciences
Jun 1, 2011
7
0
