Visual Capitalist – Irrecoverable Carbon: The Importance of Preventing DeforestationEstimated Reading Time: just 3 min

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The following content is sponsored by the Carbon Streaming Corporation

 

Irrecoverable Carbon

The Briefing

  • Researchers have identified natural places that the world cannot afford to lose due to their irreplaceable carbon reserves, known as “irrecoverable carbon”
  • Nearly 50% of global irrecoverable carbon is found in forests

Irrecoverable Carbon: Preventing Deforestation

The Earth is home to some natural ecosystems that function as carbon vaults, storing massive amounts of carbon. Researchers developed the concept of “irrecoverable carbon” to identify areas on the basis of three criteria relevant for conservation:

  1. Manageability: How they can be influenced by direct and local human actions
  2. Vulnerability: The magnitude of carbon lost upon disturbance
  3. Recoverability: The recoverability of carbon stocks following loss

Applying the three criteria across all ecosystems reveals that some places contain carbon that humans can manage, and if lost, could not be recovered by 2050, when the world needs to reach net-zero.

The above graphic sponsored by Carbon Streaming Corporation charts global irrecoverable carbon by land area, highlighting important ecosystems that function as carbon sinks.

Breaking Down the Earth’s Irrecoverable Carbon

According to researchers Noon, M.L., Goldstein, A. et al., natural ecosystems contain around 139.1 ± 443.6 gigatonnes (Gt) of irrecoverable carbon globally. (Because the amount of stored carbon cannot be negative, the researchers restrained the uncertainty to 0–582.7 Gt.)

Here’s a breakdown of global irrecoverable carbon by ecosystem type:

Ecosystem Total Irrecoverable Carbon (Gt) % of Global Total
Tropical and subtropical forest 41.1 29.5%
Boreal and temperate peat 23.4 16.9%
Tropical and subtropical peat 15.8 11.4%
Temperate forest 13.2 9.5%
Boreal forest 11.3 8.1%
Tropical and subtropical wetland 9.9 7.1%
Boreal wetland 7.4 5.3%
Tropical and subtropical grassland 6.5 4.7%
Boreal grassland 3.8 2.7%
Mangroves 3.2 2.3%
Salt marsh and seagrass 1.7 1.2%
Temperate grassland 1.6 1.2%
Temperate wetland 0.3 0.2%
Total (rounded) 139. 100.0%

Generally, forests are among the most important stores of carbon, accounting for nearly half of the global total. This is because they contain various carbon sinks including trees, soil, and other living biomass.

Tropical and subtropical forests alone store around 30% of global irrecoverable carbon. These include evergreen tropical rainforests near the equator, where billions of trees absorb CO2 for photosynthesis and growth.

Peatlands, organic layers of soil composed of decaying plants and biomass, also contain around 28% of irrecoverable carbon. Additionally, wetlands and grasslands are also significant carbon vaults, making up 21% of the global total.

Protecting Carbon Vaults with Carbon Credits

The 139Gt of irrecoverable carbon in these ecosystems remains within human purview to manage.

However, destroying or degrading these ecosystems would release this carbon into the atmosphere, making climate goals much more difficult to achieve. Since 2010, agriculture, logging, and wildfires have caused emissions of at least 4Gt of irrecoverable carbon.

One way to protect these areas is through the creation of carbon offset projects under the REDD+ (Reducing Emissions from Deforestation and forest Degradation) framework by the UN Framework Convention on Climate Change (UNFCC). These projects work to protect and preserve these ecosystems by avoiding deforestation from commercial activities or improving forest management practices.

Carbon Streaming recognizes the importance of these types of carbon credit projects in reaching net-zero by 2050 and has carbon credit streams in REDD+ projects around the world, including the Rimba Raya Biodiversity Reserve Project in Indonesia and the Cerrado Biome Project in Brazil.

Where does this data come from?

Source: Noon, M.L., Goldstein, A., Ledezma, J.C. et al. Mapping the irrecoverable carbon in Earth’s ecosystems. Nat Sustain 5, 37–46 (2022). https://doi.org/10.1038/s41893-021-00803-6

The post Irrecoverable Carbon: The Importance of Preventing Deforestation appeared first on Visual Capitalist.


Source: Visual Capitalist
Author: Sponsored Content
Date: 2022 02 13
Link: https://www.visualcapitalist.com/irrecoverable-carbon-the-importance-of-preventing-deforestation/

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