Pioneering Enhanced Rock Weathering through research and rigor
Durable climate and community with Enhanced Rock Weathering
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Our Scientific Leadership
InPlanet's science leadership team is composed of experts in geology, soil science, and environmental engineering. Their work is focused on optimizing ERW for maximum carbon removal and soil health benefits. With decades of combined experience, they are dedicated to advancing ERW as a scalable climate solution.
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Understanding Enhanced Rock Weathering
InPlanet investigates many components in the measurement process to advance ERW in the tropics scientifically and operationally. InPlanet investigates many components in the measurement process to advance ERW in the tropics scientifically and operationally.
Natural Rock Weathering
As rain (H₂O) falls through the atmosphere, it absorbs CO₂ and forms carbonic acid (H₂CO₃).
This weak acid reacts with rock and soils, producing dissolved bicarbonate and, over longer timescales, stable carbonate minerals.
Scientists estimate natural weathering removes approximately 1 billion tonnes of CO₂ from the atmosphere each year.
H₂O
supplied by rain
CO₂
from the air
Basalt Rock
Calcium and Magnesium
HCO₃⁻
supplied by the air
Accelerating Nature with Enhanced Rock Weathering
Enhanced rock weathering (ERW) is a nature-based carbon dioxide removal technology that permanently locks away CO₂.This approach accelerates a natural geological process that has been happening for millions of years.
Brazil offers abundant farmland and basalt with ideal climate conditions
With Brazil’s unique conditions, InPlanet’s EW projects benefit from an ideal setting for scalable carbon removal. The country’s abundant basalt deposits allow for efficient, sustainable sourcing and transport, while its vast agricultural lands and tropical climate, with high temperatures and heavy rainfall, accelerate the carbon sequestration process compared to temperate regions. This favorable context makes EW more effective and also brings immediate benefits to farmers, such as enhancing soil health, increasing crop yields and reducing reliance on fertilizers, thereby supporting a sustainable and resilient agricultural future.
From Theory to Field
InPlanet investigates many components in the measurement process to advance ERW in the tropics scientifically and operationally.
I.
Columns
A simple setup to research new rock + soil combinations in a controlled environment.
II.
Greenhouse Pots
Studying the rock + soil combinations with various crops in a controlled setting.
III.
Mesocosms
Researching new rock + soil + crop combinations in real-world conditions.
IV.
Field Monitoring Stations
Testing application rates and novel monitoring techniques in the field environment.
V.
In-Field Operation
Our actual deployments generating carbon removal and agronomic benefits.
Quantifying Impact
To accurately assess our carbon removal and agricultural regeneration efforts, InPlanet prioritizes rigorous sampling methodologies, comprehensive measurements, and transparent uncertainty quantification to ensure the integrity and reliability of our impact.
Scientific Rigor in Sampling
Soil samples are collected at baseline before the rock powder spreading and post-weathering using GIS-assisted paired sampling. This method allows direct evaluation of chemical and agronomical changes at individual sampling points, greatly reducing the noise introduced by heterogeneous field conditions.
Five-Pillar MRV Approach
Through our Five-Pillar MRV Approach, we investigate multiple components at different levels of complexity. While most of these setups are not required for carbon credit generation, they serve critical research purposes, advancing ERW in the tropics both operationally and scientifically.
Approach
Rock Powders
Physical, mineralogy &
Chemical properties
Soils
Cations, pH, mineral
sorganics, nutrients, metals
Waters
Cations, pH, alkalinity,
metals
Waters
Carbon Dioxide, Oxgygen
Vegetation
Cations, metals, health, biomass
I. Columns | II. Greenhouse Pots | III. Mesocosms | IV. Field Monitoring Stations | V. In-Field Testing |
|---|---|---|---|---|
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Conservative Results, Radical Impact.
Translating theoretical geochemical principles into complex, open-system agricultural environments requires an adaptive, risk-mitigated approach to Measurement, Reporting, and Verification (MRV). By increasing our baseline sampling density and anchoring our data in peer-reviewed loss factors, InPlanet ensures that every single credit issued represents a true and permanent climate benefit.
1 sample/ha
We collect minimum 1 sample per 1 hectare to make sure we capture the soil heterogeneity and can accurately estimate rock powder dissolution and loss terms.
2 methods
InPlanet always use 2 methods to mitigate uncertainty: quantifying the CDR using soil-based method and then validate the CDR using porewater-based flux estimation.
84%
The statistical probability that our reported calculations intentionally underestimate our true, real-world carbon dioxide removal value.
Raising the Bar of Enhanced Rock Weathering
InPlanet has partnered with Isometric to ensure the highest standards of certification for our enhanced rock weathering projects. We are proud to be among the first to certify ERW, setting a new benchmark for quality and transparency in carbon removal.
Project Araçari
Project Araçari marks InPlanet’s second Enhanced Rock Weathering (ERW) credit issuance under the Isometric Standard, and the world’s first verified ERW credits from citrus agriculture. This issuance demonstrates ERW’s continued evolution as a durable carbon removal pathway with agronomic benefits for Brazilian farmers.
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Project Dourado
Project Dourado takes its name from one of Brazil’s most iconic freshwater fish, the Dourado (Salminus brasiliensis), often called the king of the rivers. Known for its brilliant golden color and remarkable strength, the Dourado symbolizes resilience and balance in nature. Thriving only in clean, well-oxygenated rivers, it serves as a natural indicator of healthy ecosystems. In the same spirit, Project Dourado reflects InPlanet’s determination to restore ecosystems, regenerate soils, and bring balance back to our planet with permanent carbon removal.
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Project Serra da Mantiqueira
The Serra da Mantiqueira, derived from the Tupi language meaning "raindrop," stands as a symbol of natural abundance and cultural heritage in southeastern Brazil. Project Serra da Mantiqueira is a groundbreaking Enhanced Weathering initiative as the first third-party certified carbon credits by Isometric.
Creating real impact on Brazilian Farmlands
Our network includes Brazilian and global scientists, innovators, and ecosystem builders. Together, we advance Enhanced Rock Weathering and high-integrity carbon removal through collaboration, delivering science-driven impact and agronomic benefits to citrus farms.
Our commitment to scientific rigour and transparency translates into unmatched MRV science and industry-wide advancement
Our dedication to advancing ERW transcends carbon credit generation. We actively share our findings through peer-reviewed publications and collaborative research, fostering a global understanding of ERW's potential in tropical ecosystems and beyond.
Building a community of industry experts
InPlanet has partnered with Isometric to ensure the highest standards of certification for our enhanced rock weathering projects. We are proud to be among the first to certify ERW, setting a new benchmark for quality and transparency in carbon removal.
The InPlanet team is so dynamic and focused; it's been wonderful leveraging and learning from their deep expertise in the Negative Emissions Platform's policy advocacy work.
Secretary General at the Negative Emissions Platform
We are very excited about Enhanced Rock Weathering as a durable carbon removal technology because of its enormous scaling potential as well as the ecological and social co-benefits. We are impressed by InPlanet’s scientific integrity, emphasizing the monitoring of carbon removal, and we are excited to see them scale throughout our partnership.
Sustainability Manager at AXA Switzerland
Emissions reduction remains our priority, and high-quality carbon removals are essential for tackling the residual emissions that remain. We’re contributing to upscaling durable climate solutions while supporting the communities and environments in which we race.
Head of Sustainability at Mercedes AMG PETRONAS F1 Team
InPlanet’s commitment to measurement and monitoring bolster the integrity of their enhanced rock weathering carbon removal credits, which will contribute to Microsoft’s goal to be carbon negative by 2030.
Director, Carbon Removal Portfolio at Microsoft
These world-first Enhanced Weathering (EW) credits are a key step to scaling carbon removal. The transparent data behind these credits shows that Isometric’s high quality, verified EW credits represent a tonne of carbon dioxide removed from the atmosphere and should be a key part of every CDR buyer’s portfolio.
Founder and CEO at Isometric
We’re committed to supporting responsible growth of our industry and high-integrity carbon removal is key to cutting net emissions as global air travel demand continues to rise.
Vice President, Sustainability at Boeing
Join our Scientific Community
Our community is a Brazil-rooted, global network of scientists, innovators, and ecosystem builders advancing Enhanced Rock Weathering and high-integrity carbon removal through rigorous
Latest Blog Posts
InPlanet and Idemitsu Americas Holdings Close Non-Recourse Debt Facility, Setting a New Standard for Financing ERW Carbon Removal
The transaction secures capital against contracted, insured delivery of durable removals, proof that high-integrity projects can now access scalable debt beyond equity.
InPlanet selected as the Brazilian supplier in Whirlpool Corporation's durable carbon removal portfolio
Structured by ClimeFi, the agreement pairs a firm 2030 delivery with standalone options, expanding Enhanced Rock Weathering across Brazil's agricultural heartland.
From Field to Credits: Inside the World's First Second-Year Enhanced Rock Weathering Credit Issuance
A recap of our webinar exploring MRV for enhanced rock weathering, and what two years of data from Serra da Mantiqueira tell us about the accuracy, durability, and scalability of ERW as a carbon removal pathway.
Rock powder dissolution and carbon capture: How to best understand it
In this blog, Dr Junyao Kang, Data Analysis and Modeling Lead, and Dr. Matthew Clarkson, Head of Carbon at InPlanet share about Rock Powder Dissolution and Carbon Capture processes, CO₂ capture quantification, and the challenges posed by fertilizers.
