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
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39
Surrounded by miles of dried land and what remains of his famished livestock, Daniel Lepaine is a worried man. Dozens of his goats in Ngong, a town in southern Kenya, have died after three years of harrowing drought in the ...
Environment
Mar 10, 2023
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3
About 25 million kilometers of new roads are expected to be built around the world by 2050. Along with power lines and railways, roads cut through the landscape everywhere, disrupting ecosystems. This linear infrastructure ...
Ecology
Mar 3, 2023
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13
The teeming life in the Southern Ocean, which encircles Antarctica, contributes to brightening the clouds that form there, according to a study published today in Atmospheric Chemistry and Physics. The clouds are bright because ...
Earth Sciences
Feb 7, 2023
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8
The African continent is bursting with biodiversity. In a 2016 report, the United Nations Environment Program wrote: "Africa's biomes extend from mangroves to deserts, from Mediterranean to tropical forests, from temperate ...
Plants & Animals
Jan 27, 2023
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15
Climate finance for the African continent got a boost at the 2022 United Nations Climate Conference (COP27), with the launch of the African Carbon Markets Initiative. This aims to make climate finance available for African ...
Environment
Jan 24, 2023
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11
Until recently, the southern part of South America was believed to be the main source of the dust that lands in Antarctica. Fine particles, or aerosols, are often carried long distances by atmospheric circulation. This dust ...
Earth Sciences
Jan 20, 2023
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32
Keeping track of the world's wildlife populations is fundamental to conservation efforts in the face of the continued deterioration of global biodiversity.
Ecology
Jan 3, 2023
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3
Across the planet, water makes up 71% of Earth's surface. The remaining space is covered by land—continents and islands. Before Earth's land formed the seven continents in the present day, all the planet's landmass was ...
Earth Sciences
Dec 20, 2022
2
56
When did humans first begin to speak, which speech sounds were uttered first, and when did language evolve from those humble beginnings? These questions have long fascinated people, especially in tracing the evolution of ...
Evolution
Dec 12, 2022
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