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Thinking Globally,
Acting Locally

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Regenerate Soils and Stop Desertification
At Sierra Preta, we turn problems into solutions. We process agricultural waste to produce high-quality BioChar to increase the sustainability and resilience of local farmland ecosystems.

We focus on developing decentralized and community-driven pyrolysis processes to create maximum environmental and social value locally. We are rooted to our local environment, and aim to regenerate Andalusian soils, working towards climate change mitigation and adaptation by stopping the progression of the desert in Southern Spain.
To achieve our mission, we need your support!

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Why BioChar?

Eco System Restoration
BioChar can aid in ecological restoration efforts by improving soil quality in degraded or disturbed landscapes, promoting vegetation establishment.
Climate Change Mitigation
As BioChar sequesters carbon in soils and reduces emissions from organic waste, it can play a role in mitigating climate change by reducing greenhouse gas concentrations in the atmosphere.
Research and Innovation
Ongoing research explores new applications for BioChar. BioChar's versatility and beneficial properties make it a promising tool for addressing environmental and agricultural challenges in various domains.
Renewable
Energy
The pyrolysis process used to produce BioChar can also yield bioenergy in the form of bio-oil and syngas. This can contribute to the renewable energy sector.
Our Solution

Pyrolysis is a high temperature process using as little amount of oxygen as possible. This process leads to a highly stable carbon product, called BioChar with a long lasting capability of capturing and storing carbon from the atmosphere. 

BioChar can then be used for various applications such as soil amendment and water filtration.

We currently focus on scaling the development of distributed and mobile units for our project to yield maximum social and environmental value to local small-scale farmers.

BioChar production can also generate multiple co-product such as energy production, bringing us one step further to a regenerative society.

Motivation

Every year we are experiencing stronger effects of climate change, and these are ever so troubling in the dry region that is Andalusia.

Starting with our valley, we want to contribute in the reconstruction of a diverse and resilient ecosystem which will be able to mitigate the effect of climate change by reducing further emissions and even begin to reverse it by removing carbon dioxide from the air.

 In the meantime, BioChar fosters adaptation to climate change by restoring soil health, biodiversity, nutrient and water retention. Therefore serving as the perfect tool to reduce both the impact and the frequency of droughts in the region. 

Studies have shown that a healthy and diverse system is able to help us with this challenge. The goal is to develop a local strategy. Thinking globally and acting locally!

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 Social Ecological Collective

Our Fundamental principles are not only activities for the environment, open and free access to technology but also social values are extremely important for the way we operate. Our activities have to stand on a social sustainable foundation.

Volunteering is important, but it is also important that people can live off the work they are investing in projects. For this reason we are planning part of our budget into wage and work. We are a collective and for that we are convinced that equal pay is very important. The following criteria will be integrated in the planning of our budget.

  • work will be distributed in an equal hourly rate.
  • work decisions will be made democratically and in consent.

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Sierra Preta is in Collaboration with

Cgo
OpenEcoLabLasalpujarras

Recent News

Community Survey

We are seeking feedback through a community survey. This survey is valuable for planning the upcoming kiln season and ensuring ...
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The Role of Pyrolysis and Biochar in Wildfire Mitigation

Tackling the Growing Threat of Wildfires ...
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EU Recognizes BioChar as a Permanent Solution

The European Union has officially recognized BioChar as a permanent solution for carbon sequestration and soil enhancement ...
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