Approximately 52 million square kilometers of the earth surface is made by arid zones, defined as areas where the total amount of rainfall is balanced by evaporation from the surface and natural transpiration of plants. The ...
Economics & Business
Mar 16, 2023
0
39
Countries in the Horn of Africa have been hit by a multiyear drought. Ethiopia, Kenya, Somalia and Uganda are expected to continue getting below-normal rainfall in 2023. Excluding Uganda, 36.4 million people are affected ...
Environment
Mar 14, 2023
0
4
Tibet is known as the "Water Tower of Asia," providing water to about 2 billion people and supporting critical ecosystems in High Mountain Asia and the Tibetan Plateau, where many of the largest Asian river systems originate. ...
Earth Sciences
Mar 9, 2023
0
57
Climate change alters the global atmospheric circulation, which in turn alters precipitation and evaporation in large parts of the world and, in consequence, the amount of river water that can be used locally. So far, projections ...
Earth Sciences
Feb 2, 2023
9
481
The early pandemic years overlapped with some of California's worst wildfires on record, creating haunting, orange-tinted skies and wide swaths of burned landscape. Some of the impacts of these fires are well known, including ...
Earth Sciences
Feb 1, 2023
0
8
Mistletoes are obligate hemiparasitic aerial shrubs and play important roles in biogeochemical cycles. They obtain mineral nutrients and water from their hosts via haustoria that penetrate host vascular tissues. Although ...
Plants & Animals
Jan 30, 2023
0
3
Where does the water come from that provides drinking water to people in a particular region? What feeds these sources and how long does it take for groundwater to make its way back up to the surface? This hydrological cycle ...
Earth Sciences
Jan 19, 2023
0
59
Plants are an integral part of the water cycle. Certain plant traits, like rooting depth and water storage, can govern water availability across an entire ecosystem.
Plants & Animals
Jan 13, 2023
0
6
Plants have colonised the vast majority of the Earth's surface. So what is the key to their success?
Plants & Animals
Jan 6, 2023
0
18
Will today's wars over oil be over water in the future? For years this question has been at the heart of a scientific debate on the causes of these wars and how they should be studied.
Social Sciences
Nov 23, 2022
0
36
