For the first time, scientists have shown through direct satellite observations of the ozone hole that levels of ozone-destroying chlorine are declining, resulting in less ozone depletion.
Earth Sciences
Jan 4, 2018
5
4429
Scientists using data from the Copernicus Sentinel-5P satellite have noticed a strong reduction of ozone concentrations over the Arctic. Unusual atmospheric conditions, including freezing temperatures in the stratosphere, ...
Earth Sciences
Apr 7, 2020
22
762
(PhysOrg.com) -- In a paper published in the US journal Optical Materials Express this week, Macquarie University researchers show that even the earth's hardest naturally occurring material, the diamond, is not forever.
Condensed Matter
Jul 18, 2011
13
1
Human activity and appetites have weakened Earth's resilience, pushing it far beyond the "safe operating space" that keeps the world livable for most species, including our own, a landmark study said Wednesday.
Environment
Sep 17, 2023
0
199
The protective ozone layer in the earth's upper atmosphere has stopped thinning and should largely be restored by mid century thanks to a ban on harmful chemicals, UN scientists said on Thursday.
Earth Sciences
Sep 16, 2010
6
0
The Montreal Protocol, an international agreement signed in 1987 to stop chlorofluorocarbons (CFCs) destroying the ozone layer, now appears to be the first international treaty to successfully slow the rate of global warming.
Environment
Dec 6, 2019
41
4016
The planet is warming at an unprecedented rate and reducing emissions of greenhouse gasses alone is not enough to remove the risk.
Earth Sciences
Dec 12, 2016
15
1012
An international team of researchers has located the source of recently discovered ozone damaging HCFCs in the atmosphere. In their paper published in Proceedings of the National Academy of Sciences, the group describes using ...
Published today in the journal Earth's Future, researchers from UCL, the University of Cambridge and Massachusetts Institute of Technology (MIT) used a 3D model to explore the impact of rocket launches and re-entry in 2019, ...
Environment
Jun 25, 2022
7
425
Some microbes on Earth could temporarily survive on the surface of Mars, finds a new study by NASA and German Aerospace Center scientists. The researchers tested the endurance of microorganisms to Martian conditions by launching ...
Astrobiology
Feb 22, 2021
5
300
