The amount of carbon dioxide released from thawing permafrost might be greater than previously thought because of a process called mineral weathering, according to a new study by University of Alberta ecologists.
Environment
Sep 19, 2018
1
830
With sea ice in the Arctic melting at an alarming rate, opportunities for trans-Arctic shipping are opening up, and by mid-century ships will be able to sail right over the North Pole—something not previously possible for ...
Environment
Sep 17, 2018
0
200
Slowing activity at Hawaii's Kilauea volcano has prompted scientists on Friday to downgrade their alert level for the mountain.
Environment
Aug 18, 2018
0
24
Many natural products and drugs feature a so-called dicarbonyl motif— in certain cases, however, their preparation poses a challenge to organic chemists. In their most recent work, Nuno Maulide and his coworkers from the ...
Materials Science
Aug 17, 2018
0
162
Early Earth was a hot, gaseous, dusty and dynamic planet with an atmosphere and an ocean. Then its surface cooled and stabilized enough for clouds, landmasses and early life to form about four billion years ago, during what's ...
Earth Sciences
Aug 7, 2018
0
212
The air in the United States is much cleaner than even a decade ago. But those improvements have come mainly in summer, the season that used to be the poster child for haze-containing particles that cause asthma, lung cancer ...
Environment
Jul 23, 2018
0
63
Scientists have long thought oxygen appeared in Earth's lower atmosphere 2.7 billion years ago, making life as we know it possible. A Rice University researcher has added evidence to support that number.
Earth Sciences
Jul 23, 2018
0
21
Engineers at the University of California San Diego have shed new light on a scientific mystery regarding the atomic-level mechanism of the sulfur embrittlement of nickel, a classic problem that has puzzled the scientific ...
Materials Science
Jul 17, 2018
1
64
"It's a code red day for ozone." If you hear this on your local news, what does it mean? Are you at risk? Do you know what to do? An air quality alert like this informs the public about pollution levels in the air and advises ...
Environment
Jun 26, 2018
0
13
Air pollution has smothered China's cities in recent decades. In response, the Chinese government has implemented measures to clean up its skies. But are those policies effective? Now an innovative study co-authored by an ...
Environment
Jun 18, 2018
0
109
