What looks like psychedelic art is actually hard data: the first detailed global glimpse of planetary carbon stores from a new European satellite, and early signs suggest it could transform how we track forests, ice and climate change.
A trippy new portrait of Earth’s hidden carbon
The European Space Agency (ESA) has released a striking false-colour satellite image of Bolivia’s Beni River that looks more like an album cover than a climate tool.
Captured by ESA’s new Biomass satellite, the scene covers about 56 miles (90 kilometres) by 37 miles (60 km), wrapping around a meandering section of the river in northern Bolivia near the Amazon basin.
Instead of the familiar greens and browns, the landscape has been remapped into a rainbow of carbon-rich textures:
- Rainforest shows up as deep green
- Grasslands glow in purple tones
- Wetlands appear reddish and mottled
- Rivers and lakes are rendered as stark black channels
This is the first operational image from a mission designed to map Earth’s carbon stores in unprecedented detail, using radar rather than simple colour photos.
The image has been rotated so that north sits to the right, stressing how alien this familiar landscape can look once the satellite starts prioritising biomass – the living, carbon-based material that forms plants and trees – over surface colour.
What makes the Biomass satellite different
Biomass launched on 29 April 2025 with a clear goal: to measure how much carbon is stored in the world’s forests and how that stockpile is changing.
Instead of snapping regular optical pictures, the satellite uses a specialised form of radar called polarised P-band radar. It sends radio waves down to Earth and measures how they bounce back from leaves, branches and trunks.
Why regular satellite photos are not enough
Standard satellite images tend to flatten landscapes. Forests, grasslands and wetlands can blur into similar shades of green and brown, especially in the tropics where clouds and haze often block the view.
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Biomass’s radar cuts through much of that interference. It can sense the structure and density of vegetation, not just its surface colour. That is why, in ESA’s comparison image, the radar-based view reveals sharp boundaries between forest, grassland and wetlands that are barely visible in a normal photograph.
Where classic satellite shots see a blanket of green, Biomass can tease out how much living carbon sits in each patch of land, and how that pattern shifts over time.
Bolivia’s forests under the microscope
The choice of the Beni River is not random. Bolivia has been losing forest at a worrying rate due to agriculture, ranching and fires. Yet pinning down exactly how much carbon is being released has always been tricky.
On the ground, researchers can measure tree trunks and estimate biomass, but doing that across an entire country — or across the tropics — is slow, expensive and often impossible in remote or dangerous regions.
Biomass promises a way to update those estimates regularly, using a single, consistent instrument from orbit.
| Key facts about the Beni River image | Details |
|---|---|
| Location | Beni River, northern Bolivia (approx. -11.24, -66.27) |
| Image release date | 23 June 2025 |
| Area covered | About 56 x 37 miles (90 x 60 km) |
| River length | Roughly 680 miles (1,095 km), flowing into the Amazon |
| Data type | False-colour radar, highlighting biomass differences |
For local communities and policymakers, this kind of high-resolution mapping can highlight where forest loss is accelerating, where regrowth is happening and how protected areas are performing.
Global scan of forests every six months
The Beni River image is just the opening act. ESA says Biomass is now fully operational and will scan all of Earth’s forests roughly every six months.
That means scientists will soon have a rolling time series of forest carbon storage, not just static snapshots. They will be able to track:
- New deforestation fronts as they expand
- Forest degradation from logging and fires
- Regrowth in areas where trees return
- The impact of droughts and heatwaves on tree health
Repeated scans will turn forests into moving stories rather than still photographs, revealing how much carbon they are losing — or gaining — year by year.
From tropical forests to polar ice
The mission is also tuned to study ice. P-band radar can penetrate snow and, to some extent, ice layers, giving scientists clues about ice thickness and internal structure.
Among the first images ESA has released are scenes of:
- Mount Gamkonora in Indonesia
- The Ivindo River in Gabon
- The Tibesti Mountains in Chad
- The Nimrod Glacier in Antarctica
This mix of rainforest, desert mountain and polar ice shows how widely the data could be applied, from tracking glacier health to understanding how dryland vegetation responds to changing rainfall.
Opening the data floodgates
On 26 January, ESA announced that Biomass data will be made freely available to the public. That includes researchers, governments, NGOs and anyone else with the skills and computing power to use it.
ESA expects the open dataset to “unlock vital insights into carbon storage, climate change, and the health of our planet’s precious forest ecosystems.”
Open access means climate modellers can plug the latest forest carbon maps straight into their simulations. Conservation groups can cross-check logging concessions and watch for illegal clearing. Countries can use the data as evidence in climate negotiations or to back up carbon credit schemes.
Why carbon stores matter so much
Forests and other vegetation act as a vast, living carbon bank. Through photosynthesis, plants pull carbon dioxide from the air and lock it away in wood, leaves, roots and soil.
When forests are cut or burned, much of that stored carbon is released back into the atmosphere, adding to warming. The balance between what land takes in and what it releases is one of the biggest uncertainties in climate science.
Two terms often come up in this context:
- Biomass – The total mass of living organisms in a given area, usually expressed in tonnes of dry matter or tonnes of carbon.
- Carbon sink – A system, like a forest or ocean, that absorbs more carbon than it emits over a period of time.
By directly measuring biomass from space, ESA hopes to slash uncertainties around how strong these land-based carbon sinks really are — and how quickly they are changing.
Real-world uses: from climate goals to local decisions
The new data stream sits right at the intersection of global climate targets and local land-use decisions.
For example, countries that have pledged to reduce emissions from deforestation under international agreements need robust ways to show whether they are meeting those promises. Biomass data can provide independent, consistent estimates of forest carbon loss or gain.
On a more local scale, regional governments could use the maps to:
- Zone areas for protection or sustainable logging
- Assess the impact of new roads or farms
- Identify degraded lands suitable for restoration
- Plan fire management and monitor post-fire recovery
The same radar techniques can also be combined with ground surveys and drone mapping. That layered approach tends to sharpen estimates and catch blind spots that any single method might miss.
What this means for future satellite missions
The Biomass mission joins a growing fleet of climate-focused satellites that monitor atmosphere, oceans, ice and land. The trend is towards more specialised instruments, each tuned to one piece of the climate puzzle.
Seen alongside other missions that track greenhouse gases directly, sea-level rise or soil moisture, Biomass fills a key gap: how the “living skin” of the planet is changing as people clear trees, burn fossil fuels and alter rainfall patterns.
As more high-resolution datasets arrive, one emerging challenge will be turning reams of imagery into decisions fast enough to matter. That is likely to push agencies, researchers and even private companies into closer collaboration, building tools that can raise alerts in near real time when forests or ice are in trouble.
For now, that surreal Bolivian river bend stands as a teaser. Behind the psychedelic colours lies a new kind of planetary accounting system, one that counts not money, but the tonnes of carbon that will shape the climate future we all live in.