In Norway, phosphorus plays a central role in national agriculture and aquaculture. Photo: Tjukka2 ATTRIBUTION-NONCOMMERCIAL-SHAREALIKE 2.0 GENERIC CC BY-NC-SA 2.0 DeedPhoto: Tjukka2 ATTRIBUTION-NONCOMMERCIAL-SHAREALIKE 2.0 GENERIC CC BY-NC-SA 2.0 Deed

The Norwegian way to phosphorus recycling

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A circular use of phosphorus could reduce the environmental and economic risks of its dispersion, a report by the Norwegian University of Science and Technology in Trondheim explains
In some Asian countries, the frequency of flash drought events has increased from 20% to 80%. Photo: Bioversity International/S.Landersz ATTRIBUTION-NONCOMMERCIAL-NODERIVS 2.0 GENERIC CC BY-NC-ND 2.0 DeedBioversity International/S.Landersz ATTRIBUTION-NONCOMMERCIAL-NODERIVS 2.0 GENERIC CC BY-NC-ND 2.0 Deed

Flash drought is becoming increasingly frequent in Asia

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In some Asian countries, says research, the frequency of sudden drought events has increased from 20 to 80 per cent in just two decades. But the phenomenon is now global
Carbon sequestered from miombo forests in Mozambique could exceed estimates by 2.2 times. Photo: Lichinga ATTRIBUTION-SHAREALIKE 4.0 INTERNATIONAL CC BY-SA 4.0 DeedLichinga ATTRIBUTION-SHAREALIKE 4.0 INTERNATIONAL CC BY-SA 4.0 Deed

Mozambique’s forests store more carbon than expected

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A new study revises estimates for miombo forests upwards. Carbon from these ecosystems in Mozambique could be 2.2 times higher than previously assumed
The accelerated loss of phosphorus from soils linked to climate change is a threat to agricultural production globally. Photo: Alandmanson ATTRIBUTION-SHAREALIKE 4.0 INTERNATIONAL CC BY-SA 4.0 DeedAlandmanson ATTRIBUTION-SHAREALIKE 4.0 INTERNATIONAL CC BY-SA 4.0 Deed

Warmer climate accelerates global phosphorus loss

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A Chinese study reported an increase in atmospheric phosphorus flux in a global annual average temperature range of 20°C to 23°C. With potential consequences for agriculture
Lo studio ha confrontato i risultati ambientali e socioeconomici raggiunti nelle aree protette dell'Amazzonia brasiliana. Foto: Marek Krzystkiewicz ATTRIBUTION 2.0 GENERIC CC BY 2.0 Deed

Amazon, land protection initiatives have reduced deforestation by 83%

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In the first decade of the century, the Amazon experienced a sharp decline in deforestation, explains an international study. But the economic benefits for the indigenous people have been limited. This is why new initiatives are needed
Due to their carbon sequestration potential, forests are an essential resource in climate change mitigation. Photo: USDA Nicholas A Toneli Creative Commons; Attribution 2.0 Generic (CC BY 2.0)USDA Nicholas A Toneli Creative Commons; Attribution 2.0 Generic (CC BY 2.0)

Forests still offset half of global fossil emissions

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The world's forests, an American study notes, absorb between 3.5 and 4 billion tonnes of carbon each year. Equivalent to "nearly half of the carbon dioxide emissions from burning fossil fuels between 1990 and 2019."
The soil organic carbon survey was conducted in the forests of the Wanglang Nature Reserve in Sichuan Province, southeast of the Tibetan Plateau. Photo: Philippe Semanaz ATTRIBUTION-SHAREALIKE 2.0 GENERIC CC BY-SA 2.0 DeedPhilippe Semanaz ATTRIBUTION-SHAREALIKE 2.0 GENERIC CC BY-SA 2.0 Deed

Mixed forests are more prone to carbon sequestration

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A Chinese study found that mixed forests are able to store a higher amount of carbon due to the greater accumulation of wood debris
An estimated 29 million American households are still exposed to dangerous levels of lead. Photo: Joe Mabel ATTRIBUTION-SHAREALIKE 3.0 UNPORTED CC BY-SA 3.0 DeedJoe Mabel ATTRIBUTION-SHAREALIKE 3.0 UNPORTED CC BY-SA 3.0 Deed

American soils are still contaminated with lead

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For one in four households, the level of lead exposure exceeds the safety threshold set by the Environmental Protection Agency, an Indiana University study has found
Soil respiration, both autotrophic and heterotrophic, is a crucial component of the carbon cycle. Photo: Konstantinos Kourtidis Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)Konstantinos Kourtidis Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)

How global warming affects soil respiration

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A Chinese study makes a new contribution to the issue of soil respiration in the climate change context. Emissions are higher in deciduous forests where the heterotrophic respiration is less prevalent
Worldwide, saline and sodic soils detected at a depth of one metre extend over 833 million hectares. Photo: Rheins ATTRIBUTION 3.0 UNPORTED CC BY 3.0 DeedRheins ATTRIBUTION 3.0 UNPORTED CC BY 3.0 Deed

Saline and alkaline soils can also contribute effectively to agriculture

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Although subject to fertility loss, saline soils represent an important agricultural reserve when treated with appropriate restoration techniques. A recent Chinese study examines them