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Aboveground biomass data for 2000-2025 now available via Earthmover.
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Global Assessment

The first global system for monitoring, reporting, and verifying carbon and activity on land

Explore Data

A persistent global data challenge

Orb with markers

Inconsistent country inventories and the complex nature of land-use activities have hindered efforts to assess progress towards Paris Agreement targets.

Building a complete GHG inventory for land

CTrees combines remote sensing data, AI, and local knowledge to systematically measure carbon flux and land-use activities across all ecosystems on land, producing annual maps and metrics for carbon stocks, emissions, and removals.

Accounting for global change

Bullseye target map

By capturing emissions and land use change globally over time, CTrees helps international leaders monitor results of climate policy and finance in any country or region.

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Data in Action

News, insights, and data for global assessment of land carbon and land use change

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