The Southern Ocean played a critical role in the rapid atmospheric carbon dioxide increase during the last deglaciation that took place 20,000 to 10,000 years ago, according to a new report by Boston College geochemist Xingchen ...
Environment
Oct 16, 2020
1
1437
Economists frequently try to estimate the societal cost of releasing carbon dioxide into the atmosphere, but few of their projections go beyond the year 2100—far short of the millennia it takes for the climate changes from ...
Environment
Sep 10, 2020
34
2138
A crater in western Australia was formed by a meteor strike more than 2.2 billion years ago and is the world's oldest known impact site, new research published Wednesday shows.
Earth Sciences
Jan 21, 2020
0
7081
We've known for years that Earth's climate is like a giant Rube Goldberg machine: Pull one lever, and a massive chain of events starts into motion. Yet many of the steps that drive these changes have remained shrouded in ...
Earth Sciences
Oct 29, 2019
14
1276
A damning new UN report published Sunday said the world is falling badly behind in the race to avert climate disaster because of runaway warming, with the five-year period ending 2019 set to be the hottest ever.
Environment
Sep 22, 2019
46
1061
Since scientists first determined that atmospheric carbon dioxide (CO2) was significantly lower during ice age periods than warm phases, they have sought to discover why, theorizing that it may be a function of ocean circulation, ...
Earth Sciences
Jun 13, 2019
4
562
Virtually all marine life depends on the productivity of phytoplankton—microscopic organisms that work tirelessly at the ocean's surface to absorb the carbon dioxide that gets dissolved into the upper ocean from the atmosphere.
Earth Sciences
May 7, 2019
4
2487
An international team of researchers has conducted the most thorough study yet of the sources of black carbon in the Arctic. In their paper published in the journal Science Advances, the group describes their findings and ...
Scientists recreated deep sea conditions from the last ice age and found that the tropical Pacific contained more carbon and less oxygen during that period than previously thought.
Earth Sciences
Oct 18, 2018
1
58
There are currently about fifty known exoplanets whose diameters range from Mars-sized to several times the Earth's and which also reside within their stars' habitable zone – the orbital distance within which their surface ...
Astronomy
Jun 29, 2018
0
128
