Holocene

Climate Transformation Fund • United States
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Holocene
About

Integrating liquid absorption and desorption for CO₂ removal

Holocene has developed a continuous, low-temperature, thermochemical direct air capture technology, which combines the best of both traditional DAC approaches. The continuous, liquid absorption system coupled with a solid, low-temperature desorption, brings the benefits of affordability, scale, and flexibility inherent in such an approach. Holocene's proprietary combination of organic sorbents unlocks this whitespace, which can be more scalable and affordable than alternatives.

motivation
Pillar & approaches

Durable Carbon removal title

To stop the climate crisis, we must cut CO₂ emissions in half over the next decade and then bring them close to zero. But emissions reductions won’t be enough to limit global warming to 1.5°C, some emissions from hard-to-abate sectors are expected to remain and to counterbalance that, carbon will need to be removed from the atmosphere and stored permanently. To address overshoot and bring temperatures back down the world also needs to remove large amounts of legacy CO₂ emissions. By supporting new ways of removing and storing carbon, we contribute to these methods developing and becoming cheaper for others to implement. As [recent research](https://www.sciencedirect.com/science/article/abs/pii/S254243512300449X) has shown, the coming decade is pivotal for carbon removal. Without the necessary support to bring it through its formative phase, CDR is not likely to be available at scale and in time to reach net-zero.

Avoided deforestation

This climate change mitigation approach involves preserving existing forests to prevent the release of carbon dioxide (CO2) that would occur if these forests were cut down or degraded. This approach focuses on maintaining forest cover, often through conservation, as forests act as carbon sinks, absorbing CO2 from the atmosphere, and their destruction leads to significant CO2 emissions.

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