A new analysis of freshwater resources across the globe shows that the updated planetary boundary for freshwater change was surpassed by the mid-twentieth century. In other words, for the past century, humans have been pushing ...
Earth Sciences
Mar 4, 2024
4
412
River flow is reduced in areas where forests have been planted and does not recover over time, a new study has shown. Rivers in some regions can completely disappear within a decade. This highlights the need to consider the ...
Environment
Jan 20, 2020
8
2592
Researchers have discovered Homo sapiens did indeed live and survive in the Kalahari Desert more than 20,000 years ago.
Archaeology
Aug 17, 2022
1
445
Extensive systems of fossilised riverbeds have been discovered on an ancient region of the Martian surface, supporting the idea that the now cold and dry Red Planet had a warm and wet climate about 4 billion years ago, according ...
Space Exploration
Aug 23, 2016
5
1219
By analysing sediment cores from the bed of Europe's oldest lake, an international team of scientists has created a detailed climate history of the north-central Mediterranean stretching back 1.36 million years—and revealed ...
Earth Sciences
Sep 3, 2019
5
1161
An abrupt cooling in Europe together with an increase in humidity and particularly in windiness coincided with a sustained reduction in solar activity 2800 years ago. Scientists from the German Research Centre for Geosciences ...
Earth Sciences
May 6, 2012
92
0
In 2007 the largest recorded tundra fire in the circumpolar arctic released approximately as much carbon into the atmosphere as the tundra has stored in the previous 50 years, say scientists in the July 28 issue of the journal ...
Environment
Jul 27, 2011
3
0
The Australian Bureau of Meteorology has just declared a La Niña in the tropical Pacific.
Environment
Nov 24, 2021
0
77
Millions of years ago, fire swept across the planet, fueled by an oxygen-rich atmosphere in which even wet forests burned, according to new research by CU Boulder scientists.
Earth Sciences
Sep 30, 2020
6
568
(PhysOrg.com) -- This image from NASA's Mars Reconnaissance Orbiter shows channels to the southeast of Hale crater on southern Mars. Taken by the orbiter's High Resolution Imaging Science Experiment (HiRISE) camera, this ...
Space Exploration
Oct 28, 2009
1
0
