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Earthworms play an essential role in keeping the soil healthy by eating and recycling organic matter. Photo: pfly Attribution-ShareAlike 2.0 Generic CC BY-SA 2.0 Deedpfly Attribution-ShareAlike 2.0 Generic CC BY-SA 2.0 Deed

New research will unveil the impact of climate change on soil earthworms

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A University of York study will assess how climate change-induced flooding affects the survival of earthworms, creatures essential for maintaining soil health
Working at the Upper Newport Bay Ecological Reserve, researchers from the University of Southern California want to create a predictive method of carbon loss in coastal areas. Photo: Nandaro Attribution-ShareAlike 3.0 Unported CC BY-SA 3.0 DeedPhoto: Nandaro Attribution-ShareAlike 3.0 Unported CC BY-SA 3.0 Deed

Sea level rises threatening wetland carbon

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L'ascesa del livello del mare mette a rischio la capacità di stoccaggio del carbonio alterando la presenza dei microbi e la vegetazione, osservano i ricercatori americani
Tropical forests account for more than 50 per cent of the earth's global carbon sink but are threatened by climate change. Photo: Peter Prokosch Attribution-NonCommercial-ShareAlike 2.0 Generic CC BY-NC-SA 2.0 Deed

Heat and drought drive carbon loss in tropical forests

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A warmer and drier climate will impact the carbon balance of forests in the future, says a US study. The phenomenon will accelerate the loss of the oldest element and reduce the supply of the new one
By applying the most suitable forest restoration system in each location, 31.4 billion tonnes of CO2 could be sequestered globally. Photo: Neb Attribution-ShareAlike 4.0 International CC BY-SA 4.0 DeedPhoto: Neb Attribution-ShareAlike 4.0 International CC BY-SA 4.0 Deed

Mixed forest regeneration optimises carbon sequestration

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An American study quantifies the efficiency of different forest regeneration methods. By applying the most cost-effective system for each location, around 10 billion tonnes more CO2 can be sequestered at the same cost
The rate of permafrost erosion could even triple by the end of the century, thus impacting the climate. Photo: Brandt Meixell, USGS CC0 1.0 Universal CC0 1.0 DeedBrandt Meixell, USGS CC0 1.0 Universal CC0 1.0 Deed

Permafrost erosion reduces carbon sequestration in the oceans

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A German study shows how permafrost erosion on the coast of the Arctic Ocean leads to an almost 15 per cent decrease in the seawater's ability to store CO2
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
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
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
Support for biochar is part of the Danish government's plan to mitigate CO2 emissions in the agricultural sector between now and 2030. Photo: Lars Plougmann ATTRIBUTION-SHAREALIKE 2.0 GENERIC CC BY-SA 2.0 DeedPhoto: Lars Plougmann ATTRIBUTION-SHAREALIKE 2.0 GENERIC CC BY-SA 2.0 Deed

Denmark bets on biochar for sustainable agriculture

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Biochar in the spotlight: the Danish plan to cut agricultural emissions includes a huge EUR 1.35 billion investment. Chiaramonti (PoliTo): "This solution embraces economic competitiveness and will guarantee multiple benefits"
The effectiveness of non-sulphur purple bacteria as fertilisers was tested in spinach cultivation. Photo: RIKEN press releaseRIKEN press release

Marine bacteria may serve as a natural soil fertiliser

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A Japanese study tested the effectiveness of purple non-sulphur bacteria in providing nutrients to plants. Thanks to their enzymes, these microorganisms take nitrogen from the atmosphere and then incorporate it into proteins

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It’s beneath our feet but we never think about its value. We tread on it, we mistreat it, but a healthy, fertile soil means life. It’s time to take care of the soil and each one of us can and must make a difference.

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    • Politecnico di Torino