Data from the James Webb Space Telescope (JWST) has shown that an exoplanet around a star in the constellation Leo has some of the chemical markers that, on Earth, are associated with living organisms. But these are vague ...
Astrobiology
Sep 16, 2023
5
153
New research led by the University of Southampton suggests that, over the next 100 to 200 years, carbon dioxide concentrations in the Earth's atmosphere will head towards values not seen since the Triassic period, 200 million ...
Earth Sciences
Apr 4, 2017
40
1243
Applying ground-up silicate rock to Midwestern farm fields can capture significant amounts of carbon dioxide and prevent it from accumulating in the atmosphere, according to a new study that successfully quantified those ...
Ecology
Aug 21, 2023
3
173
Virginia Tech researchers, in collaboration with Pacific Northwest National Laboratory, have discovered that key parts of the global carbon cycle used to track movement of carbon dioxide in the environment are not correct, ...
Environment
Apr 1, 2022
102
259
A new study shows that the rise of atmospheric carbon dioxide that contributed to the end of the last ice age more than 10,000 years ago did not occur gradually, but was characterized by three "pulses" in which C02 rose abruptly.
Earth Sciences
Oct 29, 2014
9
0
The oceans are the planet's most important depository for atmospheric carbon dioxide on time scales of decades to millenia. But the process of locking away greenhouse gas is weakened by activity of the Southern Ocean, so ...
Earth Sciences
Jul 30, 2018
3
587
An international research team has discovered an intense warming phase around 52 million years ago in drill cores obtained from the seafloor near Antarctica.
Earth Sciences
Aug 1, 2012
58
0
A new NASA-led study has solved a puzzle involving the recent rise in atmospheric methane, a potent greenhouse gas, with a new calculation of emissions from global fires. The new study resolves what looked like irreconcilable ...
Environment
Jan 3, 2018
0
393
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
The Arctic's frozen ground contains large stores of organic carbon that have been locked in the permafrost for thousands of years. As global temperatures rise, that permafrost is starting to melt, raising concerns about the ...
Earth Sciences
Dec 5, 2016
0
400
