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Acting for the Planet: The Crucial Role of Carbon Storage

2 min de lectureFor all ages

In the face of the climate emergency, understanding the natural mechanisms that regulate carbon dioxide (CO2) is becoming crucial. The increase in CO2 concentration in the atmosphere is the main cause. To combat climate change, we need to rapidly activate two levers: reducing our greenhouse gas emissions andincreasing natural carbon sinks.

Nature has a superpower: photosynthesis

Through the process of photosynthesis, vegetation acts as a sink for atmospheric carbon. Photosynthesis is the vital, natural process by which plants absorb CO2 from the atmosphere and, using solar energy and water, convert it into carbohydrates while releasing oxygen into the air.

Photosynthesis plays an essential role in regulating CO2 flows, since it naturally limits the increase of this greenhouse gas in the atmosphere. 🌱

Photosynthetic process enabling plant growth.
Photosynthetic process enabling plant growth.

The importance of photosynthetic carbon capture

Carbon capture through photosynthesis is essential in the fight against climate change. By absorbing CO2 from the atmosphere, this natural process helps to limit the increase in its concentration, and thus to limit the effects of human activities on the climate.

Short carbon cycle - Diagram of CO2 flows
Short carbon cycle - Diagram of CO2 flows
Short carbon cycle - Diagram of CO2 flows

Carbon capture and storage: two key concepts

La notion de “"captation de carbone"” correspond à la quantité de CO2 absorbée par la végétation, via la photosynthèse, sur une année (exprimé en tCO2/ha) : il s'agit du flux naturel porté par le végétal.

It differs from the notion of "carbon stock", which is defined as the quantity of carbon contained in soils at a given time t.

Au travers de la solution Netcarbon, Ces deux indicateurs sont estimés à partir d’un modèle agronomique permettant de simuler les flux de CO2 entre les parcelles agricoles et l’atmosphère. En intégrant ces flux à l’année, il nous est possible d’estimer la captation carbone sur une année culturale. Les sorties de notre modèle nous permettent également de quantifier l’impact de certaines pratiques sur le stock de carbone du sol.

The bathtub metaphor clearly illustrates this difference: the inflow of water represents the capture and storage of carbon, while the water in the bathtub represents the stock of carbon.

Promoting Sustainable Practices

La captation carbone par photosynthèse est une solution naturelle pour atténuer le changement climatique, par la réduction de la concentration de CO2 dans l’atmosphère. En stockant le CO2 dans la biomasse et les sols, ce processus joue un rôle important dans la régulation du climat et la préservation de la biodiversité. La lutte contre le changement climatique implique donc de valoriser des pratiques écologiques comme la reforestation et le développement d'infrastructures agro-écologiques (IAE).

Photosynthesis is more than just a biological process; it's a natural and powerful solution to climate change. By encouraging practices that support this natural mechanism, we can make a significant difference to our planet.

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