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Brazilian startup becomes Google's top supplier of carbon credits after Google deals with Amazon for reforestation

Google's biggest deal to remove carbon emissions involves financing the restoration of Amazon rainforests with Brazilian startup Mombak. This comes as big tech searches for high-quality credits that can offset emissions from energy-hungry data centres.

Companies said the deal would offset 200 metric tons carbon emissions. This is four times more than a pilot agreement signed in September 2024 between Google and Mombak, its sole supplier of forestry credits.

Both companies declined comment on the deal's value.

The agreement shows how big tech wants to mitigate the climate impact of its massive investment in data centers that use a lot of power for AI. This is driving demand for Brazil's new reforestation sector to offset carbon emission.

Google, owned by Alphabet, committed over $100 million last year to a variety of carbon capture technologies. These ranged from enhanced rock weathering, biochar, direct air capture, and a project to make rivers more acidic.

When it was time to double-down, planting trees proved to be the most efficient option.

The most derisked method to reduce carbon emissions is photosynthesis, said Randy Spock of Google's carbon credits and removal department. This process involves plants using sunlight, water, and carbon dioxide in order to produce glucose and oxygen.

Brazil, which hosts the United Nations Climate Summit known as COP30 this month in the Amazonian city of Belem, has dubbed the talks the "Forest COP", promoting conservation efforts, including a new proposed fund for tropical rainforests.

Push for Credible Offsets

Spock stated that Google avoided so-called REDD credit, which rewards developers for preserving forest areas that would have otherwise been destroyed. This market has been shaken by fraud allegations and links to illegal loggers from Brazil.

He said: "We quadrupled our efforts on Mombak because they have a very credible strategy."

Gabriel Silva, co-founder of Mombak and its Chief Financial Officer, said that the company, which transforms degraded pastureland into jungle, benefits from a "flight for quality".

Buyers were purchasing carbon credits, but did not know what they were getting. "They got involved with poor-quality and sometimes fraudulent projects," said he.

Google, Meta, Salesforce and Microsoft, who are the largest buyers to date, joined forces with Microsoft last year to create a group called the Symbiosis Coalition.

The coalition has pledged to procure over 20,000,000 tons of carbon offsets from nature by 2030, that meet their more stringent scientific standards.

This includes the need for transparent and conservative carbon accounting standards as well as long-term benefits to biodiversity and local communities. Mombak's was the only project out of 185 that met the standards.

Symbiosis' Executive Director Julia Strong said that Brazil has the most projects awaiting the coalition's approval. She added that more are expected to be approved soon.

Prices have been driven up by the scarcity of high-quality credits and the willingness of buyers to pay for these. While REDD credit can be purchased for as little as $10 per ton, Brazil's reforestation projects have sold at prices of $50 or even $100.

"Companies are becoming more efficient in terms of production at lower prices." Silva, of Mombak, said: "We are on the right track." But right now, there is more demand than available supply. Reporting by Brad Haynes, Editing by SonaliPaul

(source: Reuters)