The Antarctic ice sheet is much less likely to become unstable and cause dramatic sea-level rise in upcoming centuries if the world follows policies that keep global warming below a key 2015 Paris climate agreement target, ...
Earth Sciences
May 05, 2021
16
383
Oxygen is essential for the development of higher life. However, it was hardly present in the oceans of the young Earth. It was not until the evolution of photosynthetic bacteria that the oceans saw a significant increase ...
Earth Sciences
13 hours ago
0
14
Noble gases, including helium, neon, and argon, are characterized by high chemical inertness which causes low reactivity with other materials and high volatility. Among them, 3He, 20Ne, and 36Ar are particular isotopes which ...
Earth Sciences
13 hours ago
0
43
The air in the United States and Western Europe is much cleaner than even a decade ago. Low-sulfur oil standards and regulations on power plants have successfully cut sulfate concentrations in the air, reducing the fine particulate ...
Earth Sciences
14 hours ago
0
23
Uranium contamination of soils and groundwater in the United States represents a significant health risk and will require multiple remediation approaches.
Earth Sciences
16 hours ago
0
42
Sea ice cover in the Southern Hemisphere is extremely variable, from summer to winter and from millennium to millennium, according to a University of Maine-led study. Overall, sea ice has been on the rise for about 10,000 ...
Earth Sciences
21 hours ago
0
28
Methane, a chemical compound with the molecular formula CH4, is not only a powerful greenhouse gas, but also an important energy source. It heats our homes, and even seafloor microbes make a living of it. The microbes use ...
Earth Sciences
May 05, 2021
1
356
A new focus article in the May issue of Geology summarizes research on plastic waste in marine and sedimentary environments. Authors I.A. Kane of the Univ. of Manchester and A. Fildani of the Deep Time Institute write that ...
Earth Sciences
May 04, 2021
3
374
A new study found overlooked tsunami hazards related to undersea, near-shore strike-slip faults, especially for coastal cities adjacent to faults that traverse inland bays. Several areas around the world may fall into this ...
Earth Sciences
May 03, 2021
0
338
Two of the most destructive forces of nature—earthquakes and tsunamis—might actually be more of a threat than current estimates according to new research conducted by scientists at The University of New Mexico and the ...
Earth Sciences
May 03, 2021
0
20
