Urban map visualising carbon sequestration by urban greenery in Copenhagen, with colour coded areas showing annual CO2 capture levels across the city.

UpGreen
Carbon Sequestration

UpGreen Carbon Sequestration shows how much CO2 your trees store, tree by tree and across the whole city. It turns greenery condition into a measurable climate mitigation value you can report, compare, and act on.

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Lea Heise

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Map of Copenhagen showing urban forrest carbon sequestration levels measured in tons of CO2 per year and kg CO2 per tree per year. The map uses a green gradient scale ranging from 0-100 to over 200, with darker green indicating higher sequestration rates. Scale bar shows 0-2 km distance.

References

Copenhagen (Denmark)
UpGreen analysed approximately 280,000 urban trees across the city. Together, Copenhagen’s trees sequester about 15,000 tonnes of CO2 per year, with clear spatial differences driven by tree density, species composition, and productivity.

Lisbon (Portugal)
The analysis covered roughly 300,000 trees across Lisbon’s administrative units. Due to strong drought and heat stress, total carbon sequestration is lower, at around 3,300 tonnes of CO2 per year for the whole city.

Kuřim (Czech Republic)

In Kuřim, UpGreen analysed approximately 17,000 trees, providing detailed tree level outputs on productivity and condition. The results show how even smaller municipalities can quantify carbon sequestration and identify where tree care and renewal will most effectively protect long term climate benefits.

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UpGreen: measuring tree health, equity and climate benefits. Tree by tree, citywide. Using satellite data.

UpGreen identifies and evaluates trees across the city using satellite data and advanced modelling. We map tree crowns and assess key indicators that determine whether your greenery is thriving, cooling the city, sequestering, or silently declining. For the price of 10 cents/one tree.

Modules: Tree Survival Capacity, Tree Stress analysis, Tree productivity + prediction, CO2 Sequestration, Tree Cooling Effect.

More about UpGreen

What is carbon sequestration and how do we measure it?

Carbon sequestration is the process by which trees remove CO2 from the atmosphere through photosynthesis and store it in biomass. In cities, it is one of the most tangible mitigation benefits of healthy, well managed urban trees.

In UpGreen, carbon sequestration is estimated for each detected tree crown segment and aggregated to grids and administrative units. The method:

differentiates broadleaf and conifer groups, because they differ in chlorophyll signals and typical sequestration rates

assigns a potential sequestration level based on tree type and crown area

scales that potential by real tree productivity derived from vegetation index signals, so stressed or low vitality trees are estimated to sequester less than healthy ones

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Urban map visualising carbon sequestration by urban greenery, with colour coded areas showing annual CO2 capture levels across the city.

Benefits, why should you know this?

Put a number on mitigation from urban greenery.

You get CO2 storage calculations that translate tree condition into a metric decision makers can understand and communicate.

Prioritize investments where carbon benefits are real.

Productivity adjusted outputs help you distinguish between green assets that deliver and those that need care to keep delivering.

Support climate reporting and funding narratives.
City level totals and district breakdowns can be used in reporting, project justification, and grant documentation.

Compare areas fairly.

Aggregation by grid and administrative units shows where carbon storage is concentrated and where it is missing, which supports planning and targeting.

What this service includes:

You receive decision ready deliverables that fit directly into city workflows:

GIS layers for CO2 Sequestration: with carbon sequestration values per tree segment, plus aggregated views by grid and administrative units, ready for your GIS workflow.

GIS Tree CO2 sequestration - individual tree segments
GIS Tree CO2 sequestration - city wide grid
GIS Tree CO2 sequestration - city units

A clear report: explaining methodology, key findings, and priority areas for action.

A map handbook: for internal alignment, stakeholder communication, and reporting.

I need to know this